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SC Code Photocopy Ricoh MP 4055/5055/6055

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  • Code: SC101-01
  • Description:Lamp Error (Scanning)
    The white level peak did not reach the prescribed threshold when the white guide plate was scanned.
  • Causes:• Condensation in scanner unit
    • Connector defective (disconnected, loose)
    • Scanner Carriage defective
    • IPU defective
    • Harness defective
    • White Reference Seal dirty or installed incorrectly (sheet-through exposure glass)
    • White Guide Plate, or White Roller dirty or installed incorrectly (SPDF/ARDF)
    • BCU defective
  • Remedy:1. Perform a system reboot.
    2. Turn the power off/on.
    3. Reconnect the connectors.
    4. Replace the following parts: • Replace the scanner carriage • Replace the IPU board • Replace the harness • Clean and replace the white reference seal (sheet-through exposure glass) • Clean and replace the white guide plate, or white roller (SPDF/ARDF) • Replace the BCU board
  • Code: SC101-02
  • Description:LED Error (LED illumination adjustment)
    LED error was detected.
  • Causes:• Condensation in scanner unit
    • Connector defective (disconnected, loose)
    • Scanner Carriage defective
    • IPU defective
    • Harness defective
    • White Reference Seal dirty or installed incorrectly (sheet-through exposure glass)
    • BCU defective
  • Remedy:1. Perform a system reboot.
    2. Turn the power off/on.
    3. Reconnect the connectors.
    4. Replace the following parts: • Replace the scanner carriage • Replace the IPU board • Replace the harness • Clean and replace the white reference seal (sheet-through exposure glass) • Replace the BCU board
  • Code: SC102-00
  • Description:LED Illumination Adjustment Error
    The white level peak reached the prescribed threshold (ex. 571/10 bit) when the white plate was scanned after a specified number of adjustments (ex. 10 times).
  • Causes:• Connector defective (disconnected, loose)
    • Scanner Carriage defective
    • IPU defective
    • Harness defective
    • BCU defective
  • Remedy:1. Perform a system reboot.
    2. Turn the power off/on.
    3. Reconnect the connectors.
    4. Replace the following parts: • Replace the scanner carriage • Replace the IPU board • Replace the harness • Clean and replace the white reference seal (sheet-through exposure glass) • Replace the BCU board
  • Code: SC120-00
  • Description:Scanner Home Position Error 1 The scanner HP sensor does not go OFF. Details: Error detection timing
    • During homing (when the machine is turned ON or when it returns from energy save mode)
    • During an automatic adjustment (when the machine is turned ON or when it returns from energy save mode)
    • During a scan from the ADF/ARDF or exposure glass.
  • Causes:• Scanner motor driver defective
    • Scanner motor defective
    • Scanner HP sensor defective
    • Harness defective
    • Timing belt, pulley, wire, or carriage not installed correctly
  • Remedy:Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps.
    1. Replace the following parts: • Replace the HP sensor • Replace the scanner motor • Replace the harness.
  • Code: SC121-00
  • Description:Scanner Home Position Error 2
    The scanner HP sensor does not go ON. Details: Error detection timing
    • During homing
    • During an automatic adjustment
    • During a scan from the ADF/ARDF or exposure glass.
  • Causes:• Scanner motor driver defective
    • Scanner motor defective
    • Scanner HP sensor defective
    • Harness defective
    • Timing belt, pulley, wire, or carriage not installed correctly
  • Remedy:Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps.
    1. Replace the following parts: • Replace the scanner HP sensor • Replace the scanner motor • Replace the harness. • Reattach or replace the timing belt, pulleys, wires, or carriage unit.
  • Code: SC141-00
  • Description:Black Level Detection Error
    The black level cannot be adjusted within the target during auto gain control.
  • Causes:• Scanner Carriage defective
    • IPU defective
    • Harness defective
    • BCU defective
  • Remedy:Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.
    1. Reconnect the following connectors: • Scanner Carriage - IPU harness (FFC) • IPU- BCU harness
    2. Replace the Scanner Carriage.
    3. Replace the IPU.
    4. Replace the following harnesses: • Scanner Carriage - IPU harness (FFC) • IPU - BCU harness
    5. Replace the BCU.
  • Code: SC142-00
  • Description:White Level Detection Error
    The white level cannot be adjusted to the second target level within the target during auto gain control.
  • Causes:• Scanner Carriage defective
    • IPU defective
    • Harness defective
    • Connector defective (disconnected, loose)
    • Condensation in scanner unit
    • White plate dirty or installed incorrectly
  • Remedy:Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.
    1. Reconnect the following connectors: • Scanner Carriage - IPU harness (FFC) • SBU - LEDB (scanner lamp unit) harness (FFC) • IPU- BCU harness
    2. Check the white reference seal that attached back of sheet-through exposure glass. Replace the sheet-through exposure glass, if dirty or damaged.
    3. Replace the scanner carriage.
    4. Replace the IPU.
    5. Replace the following harnesses: • Scanner Carriage - IPU harness (FFC) • IPU - BCU harness
    6. Replace the BCU.
  • Code: SC144-00
  • Description:SBU Communication Error
    • The machine cannot detect that the Scanner Carriage is connected.
    • The machine cannot communicate with the Scanner Carriage.
    • The communication data is incorrect.
  • Causes:• Scanner Carriage defective
    • IPU defective
    • BCU defective
    • Harness defective
  • Remedy:Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.
    1. Reconnect the following connectors: • Scanner Carriage - IPU harness (FFC) • IPU- BCU harness
    2. Replace the Scanner Carriage.
    3. Replace the IPU.
    4. Replace the BCU.
    5. Replace the following harnesses: • Scanner Carriage - IPU harness (FFC) • IPU - BCU harness
  • Code: SC151-00
  • Description:Black Level Error: Side 2
    The black level scanned is not specified range.
  • Causes:• CIS for SPDF defective
    • SPDF main board defective
    • Harness defective
  • Remedy:Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.
    1. Reconnect the SPDF main board - CIS connectors if they are disconnected, or loose.
    2. Replace the CIS for SPDF
    3. Replace the following harnesses: • SPDF main board - CIS • IPU -SPDF main board
    4. Replace the SPDF main board.
  • Code: SC161-20
  • Description:IPU error (DRAM initialization failure)
    An error occurred during performed every time the machine is turned on, or returns to full operation from energy save mode.
  • Causes:• IPU defective (Macaron/ DRAM device connection error)
    • DRAM device defective
  • Remedy:1. Perform an automatic reboot.
    2. Turn the power off/on.
    3. Replace the following parts: • Reconnect the connector. • Replace the harness. • Replace the CIS. • Replace the IPU (BCU) board.
  • Code: SC195-00
  • Description:Machine Serial Number Error
    Comparison of the product identification code in the machine serial number (11 digits).
  • Causes:The product identification code in the machine serial number (11 digits) does not match.
  • Remedy:Re-enter the machine serial number.
  • Code: SC202-00
  • Description:Polygon Motor: ON Timeout Error
    After the polygon motor turned on, or within 10 sec. after the rpm’s changed, the motor did not enter READY status.
  • Causes:• The interface harness to the polygon motor driver damaged or not connected correctly.
    • Polygon motor or polygon motor driver defective
    • Polygon motor drive pulse cannot be output correctly. (Polygon controller)
    • XSCRDY signal observation failing (Polygon controller)
  • Remedy:• Turn the power off/on.
    • Replace the laser unit.
    • Replace the harness.
    • Replace the IPU board.
  • Code: SC203-00
  • Description:Polygon Motor: OFF Timeout Error
    The XSCRDY signal (polygon ready) never becomes inactive (H) within 3 sec. after the polygon motor went OFF.
  • Causes:• The interface harness to the polygon motor driver damaged or not connected correctly.
    • Polygon motor or polygon motor driver defective
    • Polygon motor drive pulse cannot be output correctly. (Polygon controller)
    • XSCRDY signal observation failing (Polygon controller)
  • Remedy:• Turn the power off/on.
    • Replace the laser unit.
    • Replace the harness.
    • Replace the IPU board.
  • Code: SC204-00
  • Description:Polygon Motor: XSCRDY Signal Error
    During polygon motor rotation, the XSCRDY signal was inactive (H) for longer than one rotation of the polygon.
  • Causes:• The interface harness to the polygon motor driver damaged or not connected correctly.
    • Polygon motor or polygon motor driver defective
  • Remedy:• Turn the power off/on.
    • Replace the laser unit.
    • Replace the harness.
    • Replace the IPU board
  • Code: SC220-00
  • Description:Laser Synchronization Detection Error: Leading Edge
    The laser synchronizing detection signal for the start position of the LD was not output for 200msec. after LDB unit turned on with the polygon motor rotating normally.
  • Causes:• The interface harness to the synchronization detection unit damaged or not connected correctly.
    • Synchronization detection board defective
    • Beam does not enter photo detector.
    • Abnormality around GAVD
    • IDB (LED driver) defective
    • LDB defective
    • IPU defective
  • Remedy:• Turn the power off/on.
    • Replace the laser unit.
    • Replace the harness.
    • Replace the IPU board.
  • Code: SC230-00
  • Description:FGATE ON Error
    The FGATE signal did not turn ON within the given time period after the writing process started.
  • Causes:• GAVD defective
    • Image processing ASIC defective
    • BCU, controller board not connected correctly or defective
    • Harness between BCU and LDB defective
  • Remedy:• Turn the power off/on.
    • Replace the harness between IPU and laser unit.
    • Replace the IPU board.
    • Replace the controller board
  • Code: SC231-00
  • Description:FGATE OFF Error
    The FGATE signal did not turn OFF within the given time period after the writing process ended.
  • Causes:• GAVD defective
    • Image processing ASIC defective
    • IPU, controller board not connected correctly or defective
    • Harness between IPU and LDB defective
  • Remedy:• Turn the power off/on.
    • Replace the harness between IPU and laser unit.
    • Replace the IPU board.
    • Replace the controller board.
  • Code: SC240-00
  • Description:LD Error
    • The LD error status of LD driver is asserted after the LD is initialized.
    • The LD driver's error signal is detected during LD initialization.
  • Causes:• LD degradation (LD broken, shift of output characteristics etc.)
    • The interface harness damaged or not connected correctly.
    • LD driver defective
  • Remedy:• Cycle the main power off/on.
    • Replace the laser unit.
    • Replace the harness.
    • Replace the IPU board.
  • Code: SC272-01
  • Description:LD Driver Communication Error
    If the value is not same when the machine reads and writes the same registration at the
    machine start-up. If the communication parity retries three consecutive times, the SC is generated.
  • Causes:• CPU defective
    • IPU defective
    • BCU defective
    • Harness defective
  • Remedy:• Cycle the main power off/on.
    • Replace the laser unit.
    • Replace the harness.
    • Replace the IPU board.
  • Code: SC272-10
  • Description:LD Driver Communication Error: Others
    If the “Door Open” status does not change to “Door Close” after closing the door.
  • Causes:• CPU defective
    • IPU defective
    • BCU defective
    • Harness defective
  • Remedy:• Cycle the main power off/on.
    • Replace the laser unit.
    • Replace the harness.
    • Replace the IPU board.
  • Code: SC302-00
  • Description:High Voltage Power Source: Charge: Output Error
    The machine detects the error detection signal “L (unexpected)” 10 times for 200 msec consecutively when monitoring the error signal every 20 msec during outputting the PWM signal.
  • Causes:Hardware error
    • Input / Output connector is disconnected.
    • Input / Output harness is short-circuited.
    • Surface/air clearance insufficient (arc discharge)
    • BCU error (signal error)
    • HVPS defective
    Load error
    • Grounding fault of charging output, short-circuit with other outputs
    • Surface/air clearance insufficient in charging output path (including distance from
    other outputs)
    • Unexpected deterioration of drum and over current due to pinholes gap error between
    the drum and charge roller (PCU error).
    • Over current due to drum surface condensation
    • PCU is disconnected
  • Remedy:• Cycle the main power off/on.
    • Replace the HVPS.
    • Replace the harness of the HVPS.
    • Replace the harness of the PCU.
    • Replace the PCU.
  • Code: SC324-01
  • Description:Development Motor: Bk: Lock
    Lock signals are observed at 2 sec intervals during motor ON, and a High level is detected at least 20 times.
  • Causes:• Motor defective
    • Connector disconnected
    • Harness broken
    • BCU defective
    • Unit torque increased
  • Remedy:• Replace the development motor.
    • Reconnect the connector.
    • Replace the harness.
    • Replace the BCU.
    • Replace the development unit.
    • Replace the driven unit.
  • Code: SC360-01
  • Description:TD Sensor Adjustment Error
    • When Mu count exceeds the judgment threshold of no developer status.
    • When Mu count does not satisfy the following target ranges for 3 times in a row. • Upper threshold • Lower threshold
  • Causes:• TD sensor defective
    • Loose connection
    • Harness broken
    • Developer toner density differs from initial developer
  • Remedy:• Replace the TD sensor harness.
    • Reconnect the TD sensor connector.
    • Replace the TD sensor.
    • Replace the development unit.
  • Code: SC361-01
  • Description:TD Sensor Output Error: Upper Limit (K)
    The following condition continuously exceeds the upper limit threshold value (SP3-211- 003). • TD sensor output: Vt (SP3-210-001) > output upper limit error threshold (SP3-211- 002)
  • Causes:• TD sensor connector dropout (connection fault)
  • Remedy:• Check if the TD sensor connector is connected.
    • Check the harness of the TD sensor (disconnection, etc.).
    • Replace the TD sensor.
  • Code: SC362-01
  • Description:TD Sensor Output Error: Lower limit (K)
    TD sensor output: Vt (SP3-210-001) < output lower limit error threshold (SP3-211-004) is continuously below the lower limit occurrence threshold value (SP3-211-005)
  • Causes:TD sensor connector missing/dropout
  • Remedy:• Check if the TD sensor connector is connected.
    • Check the harness of the TD sensor (disconnection, etc.).
    • Replace the TD sensor.
  • Code: SC370-00
  • Description:ID Sensor Calibration Error
    Regular reflection optical output voltage of the ID sensor: Vsg_reg cannot be adjusted to within target range. Upper limit (SP3-320-013: initial value 4.5V) Lower limit (SP3-320-014: initial value 3.5V)
  • Causes:• ID sensor connector missing/connection fault
    • ID sensor detection window dirt
    • ID sensor malfunction
  • Remedy:• Check the ID sensor connector. If it is not connected, reconnect it.
    • Check for dirt on the ID sensor detection window. If the detection window is dirty, clean by the predetermined method (do not wipe it dry).
    • If neither of the above have occurred, replace the ID sensor.
  • Code: SC391-00
  • Description:High Voltage Power Source: Development : Output Error
    When the machine detects the error detection signal “L (abnormal)” 10 times for 200 ms consecutively by monitoring the error detection signal every 20ms during output of the PWM signal used as an error detection target.
  • Causes:Hardware error
    • Input / Output connector is disconnected.
    • Surface/air clearance insufficient (arc discharge)
    • Input / Output harness is short-circuited.
    • BCU error (signal error)
    • HVPS defective
    Load error
    • Grounding fault of charging output, short-circuit with other outputs
    • Surface/air clearance insufficient in charging output path (including distance from other outputs)
    • Unexpected deterioration of drum, and over current due to pinholes
    • Over current due to drum surface condensation
    • PCDU is not set properly.
  • Remedy:• Cycle the main power off/on
    • Replace the harness between the BCU and HVPS.
    • Reconnect or replace the harness between the BCU and HVPS.
    • Reinstall or replace the development unit.
    • Check if the contact and separation movement of the transfer unit works correctly.
    • Replace the HVPS.
    • Replace the BCU.
  • Code: SC396-01
  • Description:Drum Motor Lock
    Lock signals are observed at 2 sec intervals during motor ON, and a High level is detected at least 20 times.
  • Causes:• Motor defective
    • Connector disconnected
    • Harness broken
    • BCU defective
    • PCU torque increased
  • Remedy:• Reconnect the connector.
    • Replace the harness of the drum/waste toner motor.
    • Replace the drum/waste toner motor.
    • Replace the PCDU.
    • Replace the BCU.
  • Code: SC440-00
  • Description:High Voltage Power Source: Paper Transfer : Output Error
    The machine detects the error detection signal “L (unexpected)” 10 times for 200 msec consecutively when monitoring the error signal every 20 msec during outputting the PWM signal.
  • Causes:Hardware error
    • Input / Output connector is disconnected.
    • Input / Output harness is short-circuited.
    • BCU error (signal error)
    • HVPS defective
    Load error
    • Transfer roller's impedance increases.
    • Transfer unit is not set properly.
  • Remedy:• Cycle the main power off/on.
    • Reconnect or replace the harness of the HVPS (power pack).
    • Reconnect or replace the harness between the BCU and the HVPS.
    • Reset or replace the transfer unit.
    • Check if the contact and separation movement of the transfer unit works correctly.
    • Replace the HVPS.
    • Replace the BCU.
  • Code: SC452-00
  • Description:Transfer Roller Contact Motor Error
    When the machine does not detect the high/low signal for a specified time after the transfer roller contact motor has been turned on.
  • Causes:• Motor overload, Motor defective
    • Connector disconnected
    • Harness broken
    • Interlock mechanism is defective.
  • Remedy:• Cycle the main power off/on
    • Check if the contact and separation movement of the transfer unit works correctly.
    • Replace the transfer roller contact motor.
 
  • Code: SC460-00
  • Description:High Voltage Power Source: Separation : Output Error
    The machine detects the error detection signal “L (unexpected)” 10 times for 200 msec consecutively when monitoring the error signal every 20 msec during outputting the PWM signal.
  • Causes:Hardware error
    • Input / Output connector is disconnected.
    • Input / Output harness is short-circuited.
    • Transfer unit is not set properly.
    • BCU error (signal error)
    • HVPS defective
    Load error
    • Grounding fault of separation power output, short-circuit with other outputs
    • Surface/air clearance insufficient in separation power output path (including distance from other outputs)
  • Remedy:• Cycle the main power off/on
    • Reconnect or replacethe harness of the HVPS (power pack).
    • Reconnect or replace the harness between the BCU to the HVPS.
    • Reset or replace the transfer unit.
    • Check if the contact and separation movement of the transfer unit works correctly.
    • Replace the HVPS.
    • Replace the BCU.
  • Code: SC497-00
  • Description:Machine Temperature Detection Thermistor Error
    The output of the temperature sensor is out of the following range.
    • 0.56 V or less (90°C or more)
    • 3.0 V or more (-18°C or less)
  • Causes:• Imaging temperature sensor is not set (connector disconnected or broken)
    • Imaging temperature sensor defective
  • Remedy:• Reconnect the connector.
    • Replace the connector.
    • Replace the imaging temperature sensor (thermistor).
  • Code: SC498-00
  • Description:Temperature and Humidity Sensor Error (Main machine)
    The output of the temperature/humidity sensor is out of the following range.
    • 0.76 V or less/ 2.90 V or more (temperature sensor)
    • 2.4 V or more (humidity sensor)
  • Causes:• Temperature/Humidity sensor is not set (connector disconnected or broken)
    • Temperature/Humidity sensor defective
  • Remedy:• Reconnect the connector.
    • Replace the connector.
    • Replace the temperature/humidity sensor.
  • Code: SC501-01
  • Description:1st Tray Lift Error
    The machine detects the error of the 1st paper feed tray lift motor 3 times consecutively when the 1st paper feed tray is lifted. (The message of resetting the tray is displayed when the machine detects the error consecutively 2 times or less.)
  • Causes:• 1st paper feed tray limit sensor connector disconnection, malfunction or sensor's dirt.
    • 1st paper feed tray lift motor connector disconnection, malfunction
    • Foreign matter, such as paper scrap, is caught between the paper feed tray and the paper feed tray lift motor.
    • Paper set fault
  • Remedy:• Reset the paper.
    • Remove the foreign matter (1st paper feed tray limit sensor, 1st paper feed tray lift motor).
    • Check the harness.
    • Reset or replace the connector.
    • Replace the 1st paper feed unit and 1st paper feed tray.
    • Replace the BCU.
  • Code: SC501-02
  • Description:1st Tray Lowering Error
    The machine detects the error of the 1st paper feed tray lift motor 5 times consecutively when the 1st paper feed tray is lowered. (The message of resetting the tray is displayed when the machine detects the error consecutively 4 times or less.)
  • Causes:• 1st paper feed tray limit sensor connector disconnection, malfunction or sensor's dirt.
    • 1st paper feed tray lift motor connector disconnection, malfunction
    • Foreign matter, such as paper scrap, is caught between the paper feed tray and the paper feed tray lift motor.
    • Paper set fault
    • Paper overload
  • Remedy:• Reset the paper.
    • Remove the foreign matter (1st paper feed tray limit sensor, 1st paper feed tray lift motor).
    • Check the harness.
    • Reset or replace the connector.
    • Replace the 1st paper feed unit, 1st paper feed tray.
    • Replace the BCU.
  • Code: SC502-01
  • Description:2nd Tray Lift Error
    The machine detects the error of the 2nd paper feed tray lift motor 3 times consecutively when the 2nd paper feed tray is lifted. (The message of resetting the tray is displayed when the machine detects the error consecutively 2 times or less.)
  • Causes:• 2nd paper feed tray limit sensor connector disconnection, malfunction, dirt
    • 2nd paper feed tray lift motor connector disconnection, malfunction
    • Foreign matter, such as paper scrap, is caught between the paper feed tray and the paper feed tray lift motor
    • Paper set fault
  • Remedy:• Reset the paper.
    • Remove the foreign matter (2nd paper feed tray limit sensor, 2nd paper feed tray lift motor).
    • Check the harness.
    • Reset or replace the connector.
    • Replace the 2nd paper feed unit, 2nd paper feed tray.
    • Replace the BCU.
 
  • Code: SC502-02
  • Description:2nd Tray Lowering Error
    The machine detects the error of the 2nd paper feed tray lift motor 5 times consecutively when the 2nd paper feed tray is lowered. (The message of resetting the tray is displayed when the machine detects the error consecutively 4 times or less.)
  • Causes:• The 2nd paper feed tray limit sensor connector disconnection, malfunction, and dirt
    • 2nd paper feed tray lift motor connector disconnection, malfunction
    • Foreign matter, such as paper scrap, is caught between the paper feed tray and the paper feed tray lift motor
    • Paper set fault
    • Paper overload
  • Remedy:• Reset the paper.
    • Remove the foreign matter (2nd paper feed tray limit sensor, 2nd paper feed tray lift motor).
    • Check the harness.
    • Reset or replace the connector.
    • Replace the 2nd paper feed unit, 2nd paper feed tray.
    • Replace the BCU.
  • Code: SC503-01
  • Description:3rd Tray Lift Error (D694)
    The machine detects the lift error of the tray lift motor for the PFU (D694) 3 times consecutively when the 3rd paper feed tray is lifted at the machine’s initialization. (The message of resetting the tray is displayed when the machine detects the error consecutively 2 times or less.)
  • Causes:• Tray lift motor connector disconnected
    • Limit sensor harness disconnected or broken
    • Control board defective
    • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
    • Paper set fault
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Replace the tray lift motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the limit sensor.
    • Replace the control board for the optional PFU (D694).
    • Replace the tray.
    • Replace the paper feed roller.
    • Replace the pick-up arm.
  • Code: SC503-02
  • Description:3rd Tray Lowering Error (D694)
    The machine detects the lowering error of the tray lift motor for the PFU (D694) 5 times consecutively when the 3rd tray is lowered at the machine’s initialization. (The message of resetting the tray is displayed when the machine detects the error consecutively 4 times or less.)
  • Causes:• Tray lift motor connector disconnected
    • Limit sensor harness disconnected or broken
    • Controller board defective
    • Paper overload
    • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
    • Paper set fault
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Replace the tray lift motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the limit sensor.
    • Replace the controller board for the optional PFU (D694).
    • Replace the tray.
    • Replace the paper feed roller.
    • Replace the pick-up arm.
  • Code: SC503-11
  • Description:3rd Tray Lift Error (D787)
    The machine detects the lift error of the tray lift motor for the PFU (D787) 3 times consecutively when the 3rd tray is lifted at the machine’s initialization. (The message of resetting the tray is displayed when the machine detects the error consecutively 2 times or less.)
  • Causes:• Tray lift motor connector disconnected
    • Upper limit sensor harness disconnected or broken
    • Controller board defective
    • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
    • Paper set fault
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Replace the tray lift motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the upper limit sensor.
    • Replace the controller board for the optional PFU (D787).
    • Replace the tray.
    • Replace the paper feed roller.
    • Replace the pick-up arm.
  • Code: SC503-12
  • Description:3rd Tray Lowering Error (D787)
    The machine detects the lowering error of the tray lift motor for the PFU (D787) 3 times consecutively when the 3rd tray is lowered at the machine’s initialization. (The message of resetting the tray is displayed when the machine detects the error 2 times consecutively.)
  • Causes:• Tray lift motor connector disconnected
    • Upper limit sensor harness disconnected or broken
    • Controller board defective
    • Paper overload
    • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
    • Paper set fault
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Replace the tray lift motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the upper limit sensor.
    • Replace the controller board for the optional PFU (D787).
    • Replace the tray.
    • Replace the paper feed roller.
    • Replace the pick-up arm.
  • Code: SC503-31
  • Description:3rd Tray Lift Error (LCIT: D695)
    • The machine detects the lift error of the tray lift motor for the LCIT (D695) 3 times consecutively when the 3rd tray is lowered at the machine’s initialization.
    • The machine detects the lift error of the tray lift motor for the LCIT (D695) 3 times consecutively when the 3rd tray is lifted at the machine’s initialization. (The message of resetting the tray is displayed when the machine detects the error consecutively 2 times or less.)
  • Causes:• Tray lift motor connector disconnected
    • Limit sensor harness disconnected or broken
    • Controller board defective
    • Foreign matter, such as paper scrap, is caught between the right tray and the tray lift motor.
    • Paper set fault
    • Timing belt damage or dropout
    • Timing pulley damage or dropout
    • Base plate damaged or plate horizontality fault
    • Paper feed roller missing
    • Pickup arm damage
    • Foreign matter, such as paper scrap, is caught inside the right tray.
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Replace the tray lift motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the limit sensor.
    • Replace the controller board for the optional LCIT (D695).
    • Replace the tray.
    • Replace the paper feed roller.
    • Replace the pick-up arm.
    • Replace the timing belt.
    • Replace the timing pulley.
    • Replace the base plate.
  • Code: SC503-32
  • Description:3rd Tray Lowering Error (LCIT: D695)
    • The machine detects the lift error of the tray lift motor for the LCIT (D695) 3 times consecutively when the 3rd tray is lowered at the machine’s initialization.
    • The machine detects the lift error of the tray lift motor for the LCIT (D695) 3 times consecutively when the 3rd tray is lifted at the machine’s initialization.
    (The message of resetting the tray is displayed when the machine detects the error consecutively 2 times or less.)
  • Causes:• Tray lift motor connector disconnected
    • Lower limit sensor harness disconnected or broken
    • Controller board defective
    • Foreign matter, such as paper scrap, is caught between the right tray and the tray lift motor.
    • Paper set fault
    • Timing belt damage or dropout
    • Timing pulley damage or dropout
    • Base plate damaged or plate horizontality fault
    • Foreign matter, such as paper scrap, is caught inside the right tray.
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Replace the tray lift motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the lower limit sensor.
    • Replace the controller board for the LCIT (D695).
    • Replace the tray.
    • Replace the timing belt.
    • Replace the timing pulley.
    • Replace the base plate.
  • Code: SC503-33
  • Description:3rd Tray Paper Overload Error (LCIT: D695)
    Both of the upper limit sensor and lower limit sensor detects the base plate 3 times consecutively at the machine’s initialization. (The message of resetting the tray is displayed when the both sensors detect the error consecutively 2 times or less.)
  • Causes:• Paper overload
    • Paper set fault
    • Upper limit sensor harness disconnected or broken
    • Lower limit sensor harness disconnected or broken
    • Control board defective
    • Foreign matter, such as paper scrap, is caught inside the right tray.
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Reset the connector.
    • Replace the harness.
    • Replace the upper limit sensor.
    • Replace the lower limit sensor.
    • Replace the controller board for the LCIT (D695).
  • Code: SC503-34
  • Description:3rd Tray Paper Position Error (LCIT: D695)
    During left/right tray set, or when power is switched ON, or when transfer is complete, "open" is detected 5 times consecutively by end fence open/close detection. (The message of resetting the tray is displayed when the both sensors detect the error consecutively 4 times or less.)
  • Causes:• Paper set fault (paper is offset from position for pushing end fence)
    • Foreign matter entry (foreign matter is caught in the position for pushing end fence)
    • Paper transport cover open/close switch error, connector missing
    • Harness broken
    • Bank controller board defective
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Reset the connector.
    • Replace the harness.
    • Replace the sensor.
    • Replace the controller board for the optional paper feed tray.
  • Code: SC503-35
  • Description:3rd Tray Transfer Error (LCIT: D695)
    • Transfer end detection error At right tray paper end (right tray lower limit detection, left tray paper detection), left tray paper is transferred to the right tray, but the left tray paper sensor is detected although a predetermined time elapsed (transfer paper missing is not detected), for 3 times consecutively. (The message of resetting the tray is displayed when the both sensors detect the error consecutively 2 times or less.)
  • Causes:• Paper transfer motor error/connector missing
    • Left tray paper sensor error/connector missing
    • Harness broken
    • Bank control board defective
    • Paper overload
    • Foreign matter, such as paper scrap, is caught between the left tray and the paper tray transfer motor
    • Paper set fault
    • Timing belt damage/dropout
    • Timing pulley damage/dropout
    • Transfer fence defective
    • Foreign matter, such as paper scrap, is caught inside the left tray
  • Remedy:• Replace the motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the sensor.
    • Replace the controller board for the optional paper feed tray.
    • Reset the paper.
    • Remove the foreign matter.
    • Replace the tray.
    • Replace the timing belt.
    • Replace the timing pulley.
    • Replace the end fence of the left tray.
  • Code: SC503-36
  • Description:3rd Tray Transfer HP Error (LCIT: D695)
    • HP detection error (during transfer start) At right tray paper end (right tray lower limit detection, left tray paper detection), left tray paper is transferred to the right tray, but the transfer fence home position sensor is detected although a predetermined time elapsed (home position sensor missing cannot be detected).
    • HP detection error (during transfer fence HP return) During transfer fence HP not detected (stop after paper transfer, during power supply ON, during left tray set), the transfer fence is moved to HP, but the transfer fence home position sensor is not detected although a predetermined time elapsed.
    *If an error occurs 3 times consecutively: LCIT transmits "3rd paper feed tray transfer HP error" to the main machine.
    (The message of resetting the tray is displayed when the both sensors detect the error consecutively 2 times or less.)
  • Causes:• Paper transfer motor error/connector missing
    • Transfer fence home position sensor error/connector missing
    • Harness broken
    • Bank controller board defective
    • Paper overload
    • Foreign matter, such as paper scrap, is caught between the left tray and the paper transport motor
    • Paper set fault
    • Timing belt damage/dropout
    • Timing pulley damage/dropout
    • Transfer fence defective
    • Foreign matter, such as paper scrap, is caught inside the left tray
  • Remedy:• Replace the motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the sensor.
    • Replace the controller board for the optional paper feed tray.
    • Reset the paper.
    • Remove the foreign matter.
    • Replace the tray.
    • Replace the timing belt.
    • Replace the timing pulley.
    • Replace the end fence of the left tray.
  • Code: SC504-21
  • Description:4th Tray Lift Error (D787)
    • Lift motor ascent error detection During tray initialization (upper limit not detected/lower limit detection), the tray base plate is raised to check the tray base plate position, but the upper limit sensor is not detected although a predetermined time elapsed, for 3 times consecutively. (The message of resetting the tray is displayed when the both sensors detect the error consecutively 2 times or less.)
  • Causes:• Tray lift motor error/connector missing
    • Upper limit sensor error/connector missing
    • Harness broken
    • Bank controller board defective
    • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
    • Paper set fault
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Replace the motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the sensor.
    • Replace the controller board for the optional paper feed tray.
    • Replace the tray.
    • Replace the paper feed roller.
    • Replace the pick-up arm.
  • Code: SC504-22
  • Description:4th Tray Lowering Error (D787)
    • Lift motor descent error detection During tray initialization, the tray base plate is lowered to check the tray base plate position, but the upper limit sensor is detected although a predetermined time elapsed, for 3 times consecutively. (The message of resetting the tray is displayed when the both sensors detect the error consecutively 2 times or less.)
  • Causes:• Tray lift motor error/connector missing
    • Upper limit sensor error/connector missing
    • Harness broken
    • Bank controller board defective
    • Paper overloa
    • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
    • Paper set fault
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Replace the motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the sensor.
    • Replace the controller board for the optional paper feed tray.
    • Replace the tray.
    • Replace the paper feed roller.
    • Replace the pick-up arm.
  • Code: SC505-41
  • Description:Side LCIT Limit Detection Error (D696)
    • Upper limit detection error (during descent) During tray initialization (upper limit detection/lower limit not detected), the tray base plate is lowered to check the tray base plate position, but the upper limit sensor is detected although a predetermined time elapsed.
    • Upper limit detection error (during ascent) During tray initialization (upper limit not detected /lower limit detection), the tray base plate is raised to check the tray base plate position, but the upper limit sensor is not detected although a predetermined time elapsed.
    *If an error occurs for 3 times consecutively: the side LCIT transmits a "5th paper feed tray upper limit detection error" to the main machine.
    (The message of resetting the tray is displayed when the both sensors detect the error consecutively 2 times or less.)
  • Causes:• Tray lift motor error/connector missing
    • Upper limit sensor error/connector missing
    • Harness broken
    • Bank controller board defective
    • Paper set fault
    • Timing belt damage/dropout
    • Timing pulley damage/dropout
    • Base plate damage/horizontality fault
    • Paper feed roller missing item
    • Pickup arm defective
    • Foreign matter, such as paper scrap, is caught inside the tray
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Replace the motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the sensor.
    • Replace the controller board for the optional side LCT.
    • Replace the tray.
    • Replace the paper feed roller.
    • Replace the pick-up arm.
    • Replace the timing belt.
    • Replace the timing pulley.
    • Replace the base plate.
  • Code: SC505-42
  • Description:Side LCIT Lower Limit Detection Error (D696)
    • Lower limit detection error (during descent) During tray initialization (upper limit not detected /lower limit eject detection), the tray base plate is lowered to check the tray base plate position, but the lower limit sensor is not detected although a predetermined time elapsed. Alternatively, at paper end, the tray base plate is lowered, but the lower limit sensor is not detected although a predetermined time elapsed. • Lower limit detection error (during ascent) During tray initialization (upper limit not detected/lower limit detection), the tray base plate is raised to check the tray base plate position, but the lower limit sensor is detected although a predetermined time elapsed.
    *If an error occurs for 3 times consecutively: the side LCIT transmits a "5th paper feed tray upper limit detection error" to the main machine.
    (The message of resetting the tray is displayed when the both sensors detect the error consecutively 2 times or less.)
  • Causes:• Tray lift motor error/connector missing
    • Lower limit sensor error/connector missing
    • Harness broken
    • Bank control board defective
    • Paper set fault
    • Timing belt damage/dropout
    • Timing pulley damage/dropout
    • Base plate damage/horizontality fault
    • Foreign matter, such as paper scrap, is caught inside the tray
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Replace the motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the sensor.
    • Replace the controller board for the optional side LCT.
    • Replace the tray.
    • Replace the timing belt.
    • Replace the timing pulley.
    • Replace the base plate.
  • Code: SC505-43
  • Description:Side LCIT Paper Overload Error (D696)
    During tray initialization, both the upper limit and lower limit are detected for 3 times consecutively. (The message of resetting the tray is displayed when the both sensors detect the error consecutively 2 times or less.)
  • Causes:• Paper overload
    • Paper set fault
    • Upper Limit sensor error/connector missing
    • Lower limit sensor error/connector missing
    • Harness broken
    • Bank control board defective
    • Foreign matter, such as paper scrap, is caught inside the tray
  • Remedy:• Reset the paper.
    • Remove the foreign matter.
    • Reset the connector.
    • Replace the harness.
    • Replace the sensor.
    • Replace the controller board for the optional side LCT.
  • Code: SC508-00
  • Description:Bypass Tray Size Detection Error
    The paper size detected on the bypass tray is different from any of the pattern of automatic size detection.
  • Causes:• Bypass Length Sensor or Bypass Width Sensor malfunction
    • Bypass Length Sensor or Bypass Width Sensor harness disconnected
  • Remedy:• Replace the Bypass Length Sensor, or Bypass Width Sensor.
    • Replace the harness for Bypass Length Sensor, or Bypass Width Sensor.
  • Code: SC520-01, SC520-02, SC520-03
  • Description:SC520- 01 Registration Motor: Lock
    SC520-02 Paper feed Motor: Lock
    SC520-03 Vertical Transport Motor: Lock
    During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 500msec, the error state of either register was detected at least 5 times.
  • Causes:• Motor defective
    • Connector disconnected
    • Harness broken
    • BCU defective
    • Encoder defective
  • Remedy:• Replace the motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the BCU.
  • Code: SC521-01, SC521-02
  • Description:SC521- 01 Duplex Entrance Motor: Lock
    SC521-02 Duplex By-pass Motor: Lock
    During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 500msec, the error state of either register was detected at least 5 times.
  • Causes:• Motor defective
    • Connector disconnected
    • Harness broken
    • BCU defective
    • Encoder defective
  • Remedy:• Replace the motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the BCU.
  • Code: SC522-00
  • Description:Paper Exit Motor: Lock
    During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 500msec, the error state of either register was detected at least 5 times.
  • Causes:• Motor defective
    • Connector disconnected
    • Harness broken
    • BCU defective
    • Encoder defective
  • Remedy:• Replace the motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the BCU.
  • Code: SC530-00
  • Description:Fusing Fan Lock
    In the motor ON state, the value of the lock sensor is checked every 100msec. If a lock signal is not obtained for 50 times consecutively.
  • Causes:• Motor defective
    • Connector disconnected
    • Harness broken
    • BCU defective
  • Remedy:• Replace the fusing fan.
    • Reset the connector.
    • Replace the harness.
    • Replace the BCU.

 

  • Code: SC531-00
  • Description:Development Bearing Cooling Fan Lock
    In the motor ON state, the value of the lock sensor is checked every 100msec. If a lock signal is not obtained for 50 times consecutively.
  • Causes:• Motor defective
    • Connector disconnected
    • Harness broken
    • BCU defective
  • Remedy:• Replace the development bearing cooling fan
    • Reset the connector.
    • Replace the harness.
    • Replace the BCU.
  • Code: SC533-00, SC533-01
  • Description:SC533-00 PSU Cooling Fan Lock
    SC533-01 Development Bearing Cooling Fan
    In the motor ON state, the value of the lock sensor is checked every 100msec. If a lock signal is not obtained for 50 times consecutively.
  • Causes:• Motor defective
    • Connector disconnected
    • Harness broken
    • BCU defective
  • Remedy:• Replace the development bearing cooling fan.
    • Reset the connector.
    • Replace the harness.
    • Replace the BCU.
  • Code: SC534-00
  • Description:Development Exhaust Fan
    In the motor ON state, the value of the lock sensor is checked every 100msec. If a lock signal is not obtained for 50 times consecutively.
  • Causes:• Motor defective
    • Connector disconnected
    • Harness broken
    • BCU defective
  • Remedy:• Replace the development exhaust fan.
    • Reset the connector.
    • Replace the harness.
    • Replace the BCU.
  • Code: SC535-00
  • Description:Paper Exit Cooling Fan Lock
    In the motor ON state, the value of the lock sensor is checked every 100msec. If a lock signal is not obtained for 50 times consecutively.
  • Causes:• Motor defective
    • Connector disconnected
    • Harness broken
    • BCU defective
  • Remedy:• Replace the paper exit cooling fan.
    • Reset the connector.
    • Replace the harness.
    • Replace the BCU.
  • Code: SC540-00
  • Description:Fusing/paper Exit Motor: Lock
    During motor ON, after checking lock signals for 2sec, a High level was detected at least 20 times.
  • Causes:• Motor defective
    • Connector disconnected
    • Harness broken
    • BCU defective
    • Unit torque increased
  • Remedy:• Replace the fusing/paper exit motor.
    • Reset the connector.
    • Replace the harness.
    • Replace the BCU.
  • Code: SC541-01
  • Description:Fusing Thermopile (Center) Disconnection
    Below a predetermined temperature (or below CB) is detected for specified seconds continuously. Detection frequency: 10 times or more.
  • Causes:• Harness broken
    • Connector disconnected
  • Remedy:• Reconnect the connectors between the fusing unit and the BCU.
    • Replace the thermopile (center).
    • Replace the harness between the fusing unit and the BCU.
    • Replace the BCU.
  • Code: SC541-02
  • Description:NC Sensor (Center) Disconnection
    3ED - 3FF (FB voltage: 3.243V-3.300V) is detected for specified seconds continuously (NC sensor (center): detection & compensation, NC sensor (end): detection & compensation). Detection period: 100 ms, detection frequency: 10 times or more.
  • Causes:• Harness broken
    • Connector disconnected
  • Remedy:• Reconnect the connectors between the fusing unit and the BCU.
    • Replace the NC sensor (center).
    • Replace the harness between the fusing unit and the BCU.
    • Replace the BCU.
  • Code: SC541-03
  • Description:NC Sensor (Center) Short-circuit
    AD value: 0-13 (FB voltage: 0.000V-0.041V) is detected for specified seconds continuously. Detection period: 100 ms, detection frequency: 10 times or more.
  • Causes:• Harness broken
    • Connector disconnected
  • Remedy:• Reconnect the connectors between the fusing unit and the BCU.
    • Replace the NC sensor (center).
    • Replace the harness between the fusing unit and the BCU.
    • Replace the BCU.
  • Code: SC542-02
  • Description:Fusing Thermopile (Center) Thermopile Does Not Reload
    When the thermopile (center) does not reach a predetermined temperature for 7 seconds consecutively.
  • Causes:• Thermopile (center) lens dirt
    • Thermopile (center) installed incorrectly
    • Thermopile (center) deformed or not installed (or mounted) properly
    • Outside input voltage guarantee
    • After excessive temperature rise prevention unit operation
  • Remedy:• Remove the jammed paper in the fusing unit.
    • Check and replace the thermopile (center).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the BCU.
  • Code: SC542-03
  • Description:Fusing Thermopile (Center) Does Not Reload
    When the thermopile (center) does not reach the permission temperature of heat central reloading for specified seconds continuously.
  • Causes:• Thermopile (center) lens dirt
    • Thermopile (center) installed incorrectly
    • Thermopile (center) deformed or not installed (or mounted) properly
    • Outside input voltage guarantee
    • After excessive temperature rise prevention unit operation
  • Remedy:• Remove the jammed paper in the fusing unit.
    • Check and replace the thermopile (center).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the BCU.
  • Code: SC542-05
  • Description:Fusing Thermopile (Center) Does Not Reload (Low Voltage)
    When the thermopile (center) does not reach a predetermined temperature for 7 seconds consecutively.
  • Causes:• Thermopile (center) lens dirt
    • Thermopile (center) installed incorrectly
    • Thermopile (center) deformed or not installed (or mounted) properly
    • Outside input voltage guarantee
    • After excessive temperature rise prevention unit operation
  • Remedy:• Remove the jammed paper in the fusing unit.
    • Check and replace the thermopile (center).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the BCU.
  • Code: SC542-06
  • Description:Fusing Thermopile (Center) Does Not Reload (Low Voltage)
    When the thermopile (center) does not reach the permission temperature of heat central reloading for specified seconds continuously.
  • Causes:• Thermopile (center) lens dirt
    • Thermopile (center) installed incorrectly
    • Thermopile (center) deformed or not installed (or mounted) properly
    • Outside input voltage guarantee
    • After excessive temperature rise prevention unit operation
  • Remedy:• Remove the jammed paper in the fusing unit.
    • Check and replace the thermopile (center).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the BCU.
  • Code: SC543-00
  • Description:Fusing Thermopile (Center) High Temperature Detection (Software)
    When the thermopile (center) detects a predetermined temperature or above for specified seconds consecutively. Detection period 100ms, detection count: 10 times or more.
  • Causes:• Triac short-circuit
    • Engine controller defective
    • Fusing roller temperature sensor (center) defective
    • Fusing control software defective
  • Remedy:• Check the fusing unit.
    • Check that the triac of the AC controller on the PSU does not short-circuit.
    • Reconnect the following connectors: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the the following harness: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the BCU board.
    • Replace the fusing unit.
  • Code: SC544-01
  • Description:Fusing High Temperature Detection (hardware)
    (Fusing Thermopile (Center) High Temperature Error) In the event of an error
  • Causes:• Triac defective (short-circuit)
    • Engine controller defective
    • Fusing roller temperature sensor (center) defective
    • Fusing control software: out of control
  • Remedy:• Check the sensor temperature with the following SPs. If the temperature is lower than 250°C, replace the thermopile or thermistor. • SP1-141-101 (Thermopile (center)) • SP1-141-102 (Thermopile (edge)) • SP1-141-103 (Thermistor (center)) • SP1-141-104 (Thermistor (edge)) • SP1-141-151 (Thermopile (center): 200 msec before the SC is generated) • SP1-141-152 (Thermopile (edge): 200 msec before the SC is generated) • SP1-141-153 (Thermistor (center): 200 msec before the SC is generated) • SP1-141-154 (Thermistor (edge): 200 msec before the SC is generated) Note: The high temperature state of the fusing unit is detected when the temperature detected by the sensor is 250°C or more. Therefore, if the temperature of the above SPs is lower than 250°C, the thermopile or thermistor may be defective or out of position.
    • Check the fusing unit.
    • Check the triac of the AC controller on the PSU and replace the PSU.
    • Reconnect the following connectors: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the following harness: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the BCU board.
    • Turn the power off/on.
  • Code: SC544-02
  • Description:Fusing High Temperature Detection (hardware)
    (Non-Contact thermistor High Temperature Error)
    In the event of an error
  • Causes:• Triac defective (short-circuit)
    • Engine controller defective
    • Fusing roller temperature sensor (center) defective
    • Fusing control software: out of control
  • Remedy:• Check the sensor temperature with the following SPs. If the temperature is lower than 250°C, replace the thermopile or thermistor. • SP1-141-101 (Thermopile (center)) • SP1-141-102 (Thermopile (edge)) • SP1-141-103 (Thermistor (center)) • SP1-141-104 (Thermistor (edge)) • SP1-141-151 (Thermopile (center): 200 msec before the SC is generated) • SP1-141-152 (Thermopile (edge): 200 msec before the SC is generated) • SP1-141-153 (Thermistor (center): 200 msec before the SC is generated) • SP1-141-154 (Thermistor (edge): 200 msec before the SC is generated) Note: The high temperature state of the fusing unit is detected when the temperature detected by the sensor is 250°C or more. Therefore, if the temperature of the above SPs is lower than 250°C, the thermopile or thermistor may be defective or out of position.
    • Check the fusing unit.
    • Check the triac of the AC controller on the PSU and replace the PSU.
    • Reconnect the following connectors: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the following harness: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the BCU board.
    • Turn the power off/on.
  • Code: SC545-01
  • Description:Fusing Central Heater Continuously Heat
    After waiting for full power for more than specified seconds continuously, not detected for specified seconds.
    • Definition of heater full power Continuously heating rate set point (maximum heating rate)
    • Measurement start point After reload (after heater extinguished, after rotation complete) below the standby temperature (target temperature), measurement starts after a heater heat-up request is issued.
    • Measurement stop condition Rotation started due to a print signal during measurement or other.
    • Maximum heat-up Duty (SP interlinked value) 0% is excluded.
  • Causes:• Thermopile (center) lens dirt
    • Thermopile (center) installed incorrectly
    • Thermopile bracket deformation
    • Heater disconnection
    • After excessive temperature rise prevention unit operates
    • Outside input voltage guarantee
  • Remedy:• Remove the jammed paper in the fusing unit
    • Check and replace the thermopile (center).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the BCU board.
  • Code: SC545-05
  • Description:Fusing Central Heater Continuously Heat (Low Voltage)
    After waiting for full power for more than specified seconds continuously, not detected for specified seconds.
    • Definition of heater full power Continuously heating rate set point (maximum heating rate) • Measurement start point After reload (after heater extinguished, after rotation complete) below the standby temperature (target temperature), measurement starts after a heater heat-up request is issued.
    • Measurement stop condition Rotation started due to a print signal during measurement or other.
    • Maximum heat-up Duty (SP interlinked value) 0% is excluded.
  • Causes:• Thermopile (center) lens dirt
    • Thermopile (center) installed incorrectly
    • Thermopile bracket deformation
    • Heater disconnection
    • After excessive temperature rise prevention unit operates
    • Outside input voltage guarantee
  • Remedy:• Remove the jammed paper in the fusing unit
    • Check and replace the thermopile (center).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the BCU board.
  • Code: SC547-01
  • Description:Zero cross Error (relay-contact soldering)
    In the event of an error
  • Causes:• Fusing relay defective (contact soldering)
    • Fusing relay drive circuit fault
  • Remedy:• Turn the main power supply switch OFF/ON
    • If the fusing relay is damaged, replace the PSU.
    • Check the connection between PSU and controller board, and replace harness and board if
    • Code: SC547-02
    • Description:Zero cross Error (relay contact fault)
      In the event of an error
    • Causes:• Fusing relay damage (contact open)
      • Fusing relay drive circuit fault
      • PSU fuse (24VS) blowout
    • Remedy:• Turn the main power supply switch OFF/ON.
      • If the fusing relay is damaged, replace the PSU.
      • Check the connection between PSU and controller board, and replace harness and board if necessary.
      • If the PSU fuse (24VS) blows out, replace the fuse.
    • Code: SC547-03
    • Description:Zero cross Error (low-frequency error)
      In the event of an error
    • Causes:Frequency instability of commercial power line
    • Remedy:• Turn the main power supply switch OFF/ON.
      • Check the power source.
      • Check the connection between PSU and controller board, and replace harness and board if necessary.
    • Code: SC551-01
    • Description:Fusing Thermopile (Edge) Disconnection
      When the thermopile (edge) detects a predetermined temperature or less for specified seconds consecutively.
    • Causes:• Harness broken
      • Connector disconnected
    • Remedy:• Reconnect the connectors between the fusing unit and the BCU.
      • Replace the thermopile (edge).
      • Replace the harness between the fusing unit and the BCU.
      • Replace the BCU.
    • Code: SC551-02
    • Description:NC Sensor (End) Disconnection
      3ED - 3FF (FB voltage: 3.243V-3.300V) is detected for specified seconds continuously (NC sensor (center): detection & compensation, NC sensor (end): detection & compensation). Detection period: 100 ms, detection frequency: 10 times or more.
    • Causes:• Harness broken
      • Connector disconnected
    • Remedy:• Reconnect the connectors between the fusing unit and the BCU.
      • Reset the NC sensor.
      • Replace the harness between the fusing unit and the BCU.
      • Replace the BCU.
    • Code: SC551-03
    • Description:NC Sensor (End) Short-circuit
      AD value: 0-13 (FB voltage: 0.000V-0.041V) is detected for specified seconds continuously. Detection period: 100 ms, detection frequency: 10 times or more
    • Causes:• Harness broken
      • Connector disconnected
    • Remedy:• Reconnect the connectors between the fusing unit and the BCU.
      • Reset the NC sensor.
      • Replace the harness between the fusing unit and the BCU.
      • Replace the BCU.
    • Code: SC552-02
    • Description:Fusing Thermopile (Edge) Does Not Reload
      When the thermopile (edge) does not reach a predetermined temperature for specified seconds consecutively.
    • Causes:• Thermopile (edge) lens dirt
      • Thermopile (edge) installed incorrectly
      • Thermopile modification
      • Outside input voltage guarantee
      • After excessive temperature rise prevention unit operation
    • Remedy:• Remove the jammed paper in the fusing unit.
      • Check and replace the thermopile (edge).
      • Check the power supply voltage and reconnect the cable to the outlet.
      • Replace the thermostat.
      • Replace the BCU.

 

  • Code: SC552-03
  • Description:Fusing Thermopile (Edge) Does Not Reload
    Heating edge reload permission temperature not reached after heater 1 ON for specified seconds.
  • Causes:• Thermopile (edge) lens dirt
    • Thermopile (edge) installed incorrectly
    • Thermopile modification
    • Outside input voltage guarantee
    • After excessive temperature rise prevention unit operation
  • Remedy:• Remove the jammed paper in the fusing unit.
    • Check and replace the thermopile (edge).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the BCU
  • Code: SC552-05
  • Description:Fusing Thermopile (Edge) Does Not Reload (Low Voltage)
    When the thermopile (edge) does not reach a predetermined temperature for specified seconds consecutively.
  • Causes:• Thermopile (edge) lens dirt
    • Thermopile (edge) installed incorrectly
    • Thermopile modification
    • Outside input voltage guarantee
    • After excessive temperature rise prevention unit operation
  • Remedy:• Remove the jammed paper in the fusing unit.
    • Check and replace the thermopile (edge).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the BCU.
  • Code: SC552-06
  • Description:Fusing Thermopile (Edge) Does Not Reload (Low Voltage)
    When the thermopile (edge) does not reach the permission temperature of heat edge reloading for specified seconds continuously.
  • Causes:• Thermopile (edge) lens dirt
    • Thermopile (edge) installed incorrectly
    • Thermopile modification
    • Outside input voltage guarantee
    • After excessive temperature rise prevention unit operation
  • Remedy:• Remove the jammed paper in the fusing unit.
    • Check and replace the thermopile (edge).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the BCU.
  • Code: SC553-00
  • Description:Fusing Thermopile (Edge) High Temperature Detection (software)
    Above a predetermined temperature detected for specified seconds continuously. Detection period: 100ms, detection count: 10 times or more.
  • Causes:• Triac short-circuit
    • Engine controller defective
    • Fusing roller temperature sensor (center) defective
    • Fusing control software defective
  • Remedy:• Check the fusing unit.
    • Check that the triac of the AC controller on the PSU does not short-circuit.
    • Reconnect the following connectors CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the following harness CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the BCU board.
    • Replace the fusing unit.
  • Code: SC554-01
  • Description:Fusing Thermopile (Edge) High Temperature Detection (hardware)
    In the event of an error
  • Causes:• Triac defective (short-circuit)
    • Engine controller defective
    • Fusing roller temperature sensor (center) defective
    • Fusing control software: out of control
  • Remedy:• Check the sensor temperature with the following SPs. If the temperature is lower than 250°C, replace the thermopile or thermistor. • SP1-141-101 (Thermopile (center)) • SP1-141-102 (Thermopile (edge)) • SP1-141-103 (Thermistor (center)) • SP1-141-104 (Thermistor (edge)) • SP1-141-151 (Thermopile (center): 200 msec before the SC is generated) • SP1-141-152 (Thermopile (edge): 200 msec before the SC is generated) • SP1-141-153 (Thermistor (center): 200 msec before the SC is generated) • SP1-141-154 (Thermistor (edge): 200 msec before the SC is generated) Note: The high temperature state of the fusing unit is detected when the temperature detected by the sensor is 250°C or more. Therefore, if the temperature of the above SPs is lower than 250°C, the thermopile or thermistor may be defective or out of position.
    • Check the fusing unit.
    • Check that the triac of the AC controller on the PSU does not short-circuit.
    • Replace the PSU.
    • Reconnect the following connectors: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the following harness CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the BCU board.
    • Turn the power off/on.
  • Code: SC554-02
  • Description:NC Sensor (End) High Temperature Detection (hardware)
    In the event of an error
  • Causes:• Triac defective (short-circuit)
    • Engine controller defective
    • Fusing roller temperature sensor defective (rear)
    • Fusing control software: out of control
  • Remedy:• Check the sensor temperature with the following SPs. If the temperature is lower than 250°C, replace the thermopile or thermistor. • SP1-141-101 (Thermopile (center)) • SP1-141-102 (Thermopile (edge)) • SP1-141-103 (Thermistor (center)) • SP1-141-104 (Thermistor (edge)) • SP1-141-151 (Thermopile (center): 200 msec before the SC is generated) • SP1-141-152 (Thermopile (edge): 200 msec before the SC is generated) • SP1-141-153 (Thermistor (center): 200 msec before the SC is generated) • SP1-141-154 (Thermistor (edge): 200 msec before the SC is generated) Note: The high temperature state of the fusing unit is detected when the temperature detected by the sensor is 250°C or more. Therefore, if the temperature of the above SPs is lower than 250°C, the thermopile or thermistor may be defective or out of position.
    • Check the fusing unit.
    • Check that the triac of the AC controller on the PSU does not short-circuit.
    • Replace the PSU.
    • Reconnect the following connectors: CN115 of BCU, connectors between the fusing
    unit and the BCU, connectors connected to the fusing unit
    • Replace the following harness: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the BCU board.
    • Turn the power off/on.
  • Code: SC555-01, SC555-05
  • Description:SC555- 01
    A Fusing Edge Heater Continuously Heat
    SC555- 05
    C Fusing Edge Heater Continuously Heat (Low Voltage)
    After waiting for full power for more than specified seconds continuously, not detected for specified seconds.
    • Definition of heater full power Continuously heating rate set point (maximum heating rate)
    • Measurement start point After reload (after heater extinguished, after rotation complete) below the standby temperature (target temperature), measurement starts after a heater heat-up request is issued.
    • Measurement stop condition Rotation started due to a print signal during measurement or other
    • Maximum heat-up Duty (SP interlinked value) 0% is excluded
  • Causes:• Thermopile (edge) lens dirt
    • Thermopile (edge) installed incorrectly
    • Thermistor deformation
    • Heater disconnection
    • After excess temperature rise prevention unit operation
    • Outside input voltage guarantee
  • Remedy:• Remove the jammed paper in the fusing unit.
    • Check and replace the thermopile (edge).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the BCU.
  • Code: SC557-00
  • Description:Zero Cross Frequency Exceeded
    In the event of an error
  • Causes:Frequency instability of commercial power line/Noise
  • Remedy:
  • Code: SC558-00
  • Description:Low Input Voltage
    On the mains power supply, detected the input voltage that is less than the specification and is more than 50V.
  • Causes:Low input of mains power supply
  • Remedy:
  • Code: SC559-00
  • Description:Fusing Jam Detected for 3 Times Consecutively
    Fusing jam (does not reach fusing exit sensor) is detected for 3 times consecutively. • Detection conditions Displays the SC559-00 at the time of integrating the counter each time fusing jam occurs, became fusing jam counter value = 3. The counter value is retained without fusing jam also reset by OFF/ON the power supply.
    • Control ON/OFF And enables ON / OFF is this SC, the default is set to OFF, then ON at the time of customer requirements. SP1-142-001 0: OFF (default), 1: ON (Set at the time of customer requirements)
    • Counter reset condition occurs fusing jam
    1. Normal paper exit has been done during this continuous fusing jam, fusing jam counter is reset.
    2. When "1" is changed to "0" SP1-142-001, to reset the (SP9-912-001) fusing jam counter.
    3. When after displaying SC559, SC release is made, reset the (SP9912-001) fusing jam counter.
  • Causes:Fusing unit paper jam
  • Remedy:Remove the jam.
  • Code: SC561-00
  • Description:Pressure Roller Thermistor (Center) Disconnection
    When the pressure roller thermistor (center) detects a predetermined temperature or less for specified seconds consecutively.
    Detection period 100ms, detection count: 10 times or more.
  • Causes:• Harness broken
    • Connector disconnected
  • Remedy:• Reconnect the connectors between the fusing unit and the BCU.
    • Replace the pressure roller thermistor (center).
    • Replace the harness between the fusing unit and the BCU.
    • Replace the BCU.
  • Code: SC562-02
  • Description:Pressure Roller Thermistor (Center) Does Not Reload
    When the pressure roller thermistor (center) does not reach a predetermined temperature for specified seconds consecutively.
  • Causes:• Thermistor dirt
    • Thermopile deformed or not installed (or mounted) properly
    • Outside input voltage guarantee
    • After excess temperature rise prevention unit operation
  • Remedy:• Remove the jammed paper in the fusing unit.
    • Check and replace the pressure roller thermistor (center).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the thermopile.
    • Replace the BCU.
  • Code: SC562-05
  • Description:Pressure Roller Thermistor (Center) Does Not Reload (Low Voltage)
    When the pressure roller thermistor (center) does not reach a predetermined temperature for specified seconds consecutively.
  • Causes:• Thermistor dirt
    • Thermopile deformed or not installed (or mounted) properly
    • Outside input voltage guarantee
    • After excess temperature rise prevention unit operation
  • Remedy:• Remove the jammed paper in the fusing unit.
    • Check and replace the pressure roller thermistor (center).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the thermopile.
    • Replace the BCU.
  • Code: SC563-00
  • Description:Pressure Roller Thermistor (Center) High Temperature Detection (software)
    Above a predetermined temperature detected for specified seconds continuously. Detection period: 100ms, detection count: 10 times or more.
  • Causes:• Triac short-circuit
    • Engine controller defective
    • Pressure roller thermistor (end) defective
    • Fusing control software defective
  • Remedy:• Check the fusing unit.
    • Check that the triac of the AC controller on the PSU does not short-circuit.
    • Reconnect the following connectors: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the following harness: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the BCU.
    • Replace the fusing unit.
  • Code: SC564-00
  • Description:Fusing High Temperature Detection (hardware) (Pressure Roller Thermistor Error)
    In the event of an error
  • Causes:• Triac short-circuit
    • Engine controller defective
    • Pressure roller thermistor (end) defective
    • Fusing controller software defective
  • Remedy:• Check the sensor temperature with the following SPs. If the temperature is lower than 250°C, replace the thermopile or thermistor. • SP1-141-101 (Thermopile (center)) • SP1-141-102 (Thermopile (edge)) • SP1-141-103 (Thermistor (center)) • SP1-141-104 (Thermistor (edge)) • SP1-141-151 (Thermopile (center): 200 msec before the SC is generated) • SP1-141-152 (Thermopile (edge): 200 msec before the SC is generated) • SP1-141-153 (Thermistor (center): 200 msec before the SC is generated) • SP1-141-154 (Thermistor (edge): 200 msec before the SC is generated) Note: The high temperature state of the fusing unit is detected when the temperature detected by the sensor is 250°C or more. Therefore, if the temperature of the above SPs is lower than 250°C, the thermopile or thermistor may be defective or out of position.
    • Check the fusing unit.
    • Check that the triac of the AC controller on the PSU does not short-circuit.
    • Replace the PSU.
    • Reconnect the following connectors: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the following harness: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit.
    • Replace the BCU.
    • Turn the power off/on.
  • Code: SC571-00
  • Description:Pressure Roller Thermistor (End) Disconnection
    When the pressure roller thermistor (end) detects a predetermined temperature or less for specified seconds consecutively. Detection period: 100 ms, detection counts: 10 times or more.
  • Causes:• Harness broken
    • Connector disconnected
  • Remedy:• Reconnect the connectors between the fusing unit and the BCU.
    • Replace the pressure roller thermistor (end).
    • Replace the harness between the fusing unit and the BCU.
    • Replace the BCU.
  • Code: SC572-02
  • Description:Pressure Roller Thermistor (End) Does Not Reload
    When the temperature does not reach 40 degrees Centigrade for 100 seconds consecutively.
  • Causes:• Thermistor dirt
    • Thermopile deformed or not installed (or mounted) properly
    • Outside input voltage guarantee
    • After excess temperature rise prevention unit operation
  • Remedy:• Remove the jammed paper in the fusing unit.
    • Check and replace the pressure roller thermistor (end).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the thermopile.
    • Replace the BCU.
  • Code: SC573-00
  • Description:Pressure Roller Thermistor (End) High Temperature Detection (software)
    When the pressure roller thermistor (end) detects a predetermined temperature or above for
    specified second consecutively.
  • Causes:• Triac short-circuit
    • Engine controller defective
    • Pressure roller thermistor (end) defective
    • Fusing controller software defective
  • Remedy:• Check the fusing unit.
    • Check that the triac of the AC controller on the PSU does not short-circuit.
    • Reconnect the following connectors: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the following harness: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the BCU.
    • Replace the fusing unit.
  • Code: SC574-00
  • Description:Pressure Roller Thermistor (End) High Temperature Detection (hardware)
    In the event of an error
  • Causes:• Triac short-circuit
    • Engine controller defective
    • Pressure roller thermistor (end) defective
    • Fusing control: out of control
  • Remedy:• Check the sensor temperature with the following SPs. If the temperature is lower than 250°C, replace the thermopile or thermistor. • SP1-141-101 (Thermopile (center)) • SP1-141-102 (Thermopile (edge)) • SP1-141-103 (Thermistor (center)) • SP1-141-104 (Thermistor (edge)) • SP1-141-151 (Thermopile (center): 200 msec before the SC is generated) • SP1-141-152 (Thermopile (edge): 200 msec before the SC is generated) • SP1-141-153 (Thermistor (center): 200 msec before the SC is generated) • SP1-141-154 (Thermistor (edge): 200 msec before the SC is generated) Note: The high temperature state of the fusing unit is detected when the temperature detected by the sensor is 250°C or more. Therefore, if the temperature of the above SPs is lower than 250°C, the thermopile or thermistor may be defective or out of position.
    • Check the fusing unit.
    • Check that the triac of the AC controller on the PSU does not short-circuit.
    • Replace the PSU.
    • Reconnect the following connectors: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the following harness: CN115 of BCU, connectors between the fusing unit and the BCU, connectors connected to the fusing unit
    • Replace the BCU.
    • Turn the power off/on.
  • Code: SC589-01
  • Description:Fusing center: Low Temperature Detection
    When the thermopile (center) detects the temperature which is 180 degrees Centigrade lower than target Temperature for 12 seconds consecutively.
  • Causes:• Central heater harness disconnected
    • Connector defective
    • After excess temperature rise prevention unit (thermostat) operation
  • Remedy:• Replace the jammed paper in the fusing unit.
    • Check and replace the thermopile (center).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the BCU.
  • Code: SC589-02
  • Description:Fusing edge: Low Temperature Detection
    When the thermopile (edge) detects the temperature which is 180 degrees Centigrade lower than target Temperature for 12 seconds consecutively.
  • Causes:• Edge heater harness disconnected
    • Connector defective
    • After excess temperature rise prevention unit (thermostat) operation
  • Remedy:• Replace the jammed paper in the fusing unit.
    • Check and replace the thermopile (edge).
    • Check the power supply voltage and reconnect the cable to the outlet.
    • Replace the thermostat.
    • Replace the BCU.
  • Code: SC620-01, SC620-02, SC620-03
  • Description:SC620-01 ADF Communication Error 1
    SC620-02 ADF Communication Error 2
    SC620- 03 ADF Communication Error 3
    SC620-01: After ADF connection was recognized on startup, an error is detected. (disconnection detection)
    SC620-02: After ADF connection was recognized on startup, an error is detected. (Retry out due to communication error)
    SC620-03: SC is displayed when CIS initialization complete command is not received for certain time.
  • Causes:• ADF connection fault
    • ADF defection
    • IPU board defection
    • Noise contamination
    • ADF machine code unmatched
  • Remedy:• Check the ADF cable connection
    • Replace the ADF
    • Replace the IPU board
    • Replace the ADF which matches the machine code
  • Code: SC621-00
  • Description:Finisher/Mail Box Communication Error
    • Detected an error when connecting the communication line.
    • Received a communication error notification from the UART.
  • Causes:• Finisher control board defective.
    • BCU defective
    • Connection fault between finisher and main machine.
  • Remedy:• Turn the power off/on.
    • Reconnect the finisher/mail box interface cable
    • Replace the BCU
    • Replace the finisher/mail box.
  • Code: SC622
  • Description:SC622- 01 Paper Bank 1 Communication Error (D694)
    SC622- 11 Paper Bank 1 Communication Error (D787)
    SC622- 12 Paper Bank 1 Communication Error (D787)
    SC622- 31 Paper Bank 1 Communication Error (D695 )
    Detected an error when connecting the communication line.
  • Causes:• Paper bank control board defective
    • BCU defective
    • Paper bank-main machine connection fault
  • Remedy:Check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.
    1. Check if all connectors in tray 1, 2, and optional paper tray are connected securely. Reconnect the connectors if they are disconnected, or loose. 2. Check the harness in tray 1, 2, and optional paper tray. Replace the harness if it is disconnected, or damaged. 3. Check if there are any signs of a short circuit on the Bank Main Board. If there are any defects, replace the board.
  • Code: SC623-00
  • Description:Paper Bank Communication Error (D696)
    When two trays PFU (D787) and side LICT (D696) or LCIT (D695) and side LCIT (D696) are installed,
    1. When the upper stream unit (D787 or D695) recognizes the lower stream unit (D696), the break of the lower stream unit is not canceled within predetermined milliseconds.
    2. After the upper stream unit (D787 or D695) recognizes the lower stream unit (D696), there is no ACK within predetermined milliseconds after transmission of a data frame to the lower stream unit, and a timeout error occurs for 3 times consecutively even if retransmission is performed.
  • Causes:• Bank control board fault
    • Connector disconnected
  • Remedy:• Turn the power off/on.
    • Reset the optional paper tray connecting cable.
    • Replace the BCU.
    • Replace the optional paper tray.
  • Code: SC664-01, SC664-02, SC664-03
  • Description:SC664-01 Access Permission Error to VODKA SRAM
    SC664-02 Write Error to VODKA SRAM
    SC664- 03 VODKA Program Startup Error
    The machine detects the communication error between VODKA and SRAM when starting up, or recovery from energy saver mode.
  • Causes:• BCU defective (Parts implementation defect, solder scrap, implemented parts defect, etc.)
  • Remedy:• Turn the power off/on.
    • Replace the BCU.
  • Code: SC665-01
  • Description:BCU-IPU Connection Error
    The machine detects the communication error between BCU and IPU (No FFC connection) when starting up, or recovery from energy saver mode.
  • Causes:• BCU defective, IPU defective (Parts implementation defect, solder scrap, implemented parts defect, etc.)
  • Remedy:• Reconnect the FFC.
    • Replace the FFC.
    • Replace the BCU.
    • Replace the IPU.
  • Code: SC665-04
  • Description:BCU (IOB Module) Does Not Start
    The IOB does not start up when starting up, or recovery from energy saver mode.
  • Causes:• No power supply to the BCU (IOB module) (power supply connector installed incorrectly, harness broken)
    • Board defective (Parts implementation defect, solder scrap, implemented parts defect, etc.)
  • Remedy:• Turn the power off/on.
    • Reconnect the BCU power supply harness.
    • Replace the BCU power supply harness.
    • Replace the BCU.
  • Code: SC665-05
  • Description:Master Device Communication Error
    The machine detects the communication error between CPU and Slave1 when starting up, or recovery from energy saver mode.
  • Causes:• BCU defective (Parts implementation defect, solder scrap, implemented parts defect, etc.)
  • Remedy:• Turn the power off/on.
    • Replace the BCU.
  • Code: SC665-07
  • Description:IPU signal Communication Error
    The machine detects the communication error between CPU and Slave1 when starting up, or recovery from energy saver mode.
  • Causes:• BCU defective, IPU defective (Parts implementation defect, solder scrap, implemented parts defect, etc.)
  • Remedy:• Reconnect the FCC.
    • Replace the FCC.
    • Replace the BCU.
    • Replace the IPU.

 

  • Code: SC665-08
  • Description:IOB signal Communication Error
    The machine detects the communication error between CPU and Slave1 when starting up, or recovery from energy saver mode.
  • Causes:• BCU defective (Parts implementation defect, solder scrap, implemented parts defect, etc.)
  • Remedy:• Turn the power off/on.
    • Replace the BCU.
  • Code: SC667-01
  • Description:Master Device Mode Setting Error
    The machine detects the CPU mode error when starting up, or recovery from energy saver mode.
  • Causes:• BCU defective (Parts implementation defect, solder scrap, implemented parts defect, etc.)
  • Remedy:• Turn the power off/on.
    • Replace the BCU.
  • Code: SC667-10
  • Description:Slave1 Device Mode Setting Error
    The machine detects the Slave1 mode error when starting up, or recovery from energy saver mode.
  • Causes:• BCU defective (Parts implementation defect, solder scrap, implemented parts defect, etc.)
  • Remedy:• Turn the power off/on.
    • Replace the BCU.
  • Code: SC667-40
  • Description:Macaron1 Mode Setting Error
    The machine detects the Macaron1 mode error when starting up, or recovery from energy saver mode.
  • Causes:• BCU defective (Parts implementation defect, solder scrap, implemented parts defect, etc.)
  • Remedy:• Turn the power off/on.
    • Replace the BCU.
    • Replace the IPU.
  • Code: SC669
  • Description:EEPROM Communication Error
    Received an error notification during EEPROM communication and does not resume after 3 retries.
  • Causes:• Electrical noise
    • EEPROM not connected fully
    • EEPROM damaged
    • BCU damaged
  • Remedy:• Turn the power off/on.
    • Check the EEPROM.
    • Replace the EEPROM.
    • Replace the BCU.
  • Code: SC669-36
  • Description:EEPROM: Verify Error
    The machine receives an error notification during EEPROM (BCU) communication and does not resume after 2 retries. The machine detects an abnormal value in the EEPROM data when starting up, or recovery from energy saver mode.
  • Causes:• Electrical noise
    • EEPROM not connected fully
    • EEPROM damaged
    • BCU damaged
  • Remedy:• Turn the power off/on.
    • Check the EEPROM.
    • Replace the EEPROM.
    • Replace the BCU.
  • Code: SC669-37
  • Description:EEPROM: Failure Detection Error
    The machine receives an error notification during EEPROM (BCU) communication and does not resume after 1 retries. The machine determined EEPROM failure in the EEPROM detection operation when starting up, or recovery from energy saver mode.
  • Causes:• Electrical noise
    • EEPROM not connected fully
    • EEPROM damaged
    • BCU damaged
  • Remedy:• Turn the power off/on.
    • Check the EEPROM.
    • Replace the EEPROM.
    • Replace the BCU.
  • Code: SC682
  • Description:PCU: ID Chip Communication Error
    Received an error notification during EEPROM communication and does not resume after 3 retries.
  • Causes:• Device ID date error
    • Mu sesnsor / EEPROM defective
    • Electrical noise
    • PCU is not set properly.
  • Remedy:• Turn the power off/on.
    • Replace the PCU.
  • Code: SC682-36
  • Description:PCU: Verify Error
    Received a error notification during EEPROM communication and does not resume after 2 retries.
  • Causes:• Device ID date error
    • Mu sensor / EEPROM defective
    • Electrical noise
    • PCU is not set properly.
  • Remedy:• Turn the power off/on.
    • Replace the PCU
 
Code: S687-00
  • Description:PER Not Received Erro
    Unable to receive the PER command from the controller.
  • Causes:• Communication error
  • Remedy:• Replace the BCU.
  • Code: SC700
  • Description:SC700-01 ADF Bottom Plate Lift Motor (SPDF
    SC700-02 ADF Pick-Up Roller Lift Motor Error (SPDF)
    SC700-04 ADF Feed Motor Error (SPDF)
    SC700-05 ADF Entrance Motor Error (SPDF)
    SC700-06 ADF Transport Motor Error (SPDF)
    SC700-07 ADF Scanning Motor Error (SPDF)
    SC700-09 ADF Exit Motor Error (SPDF)
    SC700-01 Even if the ADF bottom plate lift motor is rotated in the base plate ascent direction, the bottom plate position sensor does not detect. Even if the ADF bottom plate lift motor is rotated in the base plate descent direction, the bottom plate HP sensor does not detect.
    SC700-02 Even if the ADF pick-up roller lift motor is rotated, the pick-up roller HP sensor does not detect.
    SC700-04, 05, 06, 07, 09 When an error notification signal is detected during the motor drive period.
  • Causes:SC700-01 • Bottom plate position sensor error (output error) • Bottom plate HP sensor • ADF bottom plate lift motor error (does not rotate) • ADF controller board error
    SC700-02 • Pick-up roller HP sensor error (output error) • ADF pick-up roller lift motor error (does not rotate) • ADF controller board error
    SC700-04, 05, 06, 07, 09 • Motor defective • Connector disconnected • Harness broken • Overload
  • Remedy:SC700-01, 02
    • Check the sensor harness and motor harness connection
    • Replace the sensor harness and motor harness
    • Replace the sensor
    • Replace the motor
    • Replace the ADF controller board
    SC700-04, 05, 06, 07, 09
    • Check the harness connection
    • Replace the harness
    • Replace the motor
  • Code: SC701-03
  • Description:Paper Feed Motor Driver Error (ARDF)
    Detection of error signal from motor driver
  • Causes:• Encoder disconnection
    • Encoder connector dropout
    • Encoder defective
    • Overload
    • Motor deterioration
  • Remedy:• Replace the encoder harness
    • Check the harness connection
    • Replace the motor
Thông Số Sản Phẩm
Doawload Driver
Hổ Trợ & Tư Vấn
Video Sản Phẩm
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