Bảng tra mã lổi máy photocopy ricoh MPC 2503

 SC Code Photocopy Ricoh MPC2503

- Bảng tra mã lỗi Photocopy Ricoh MPC2503

- Tài liệu sửa chữa Photocopy Ricoh MPC2503

- Call for service Photocopy Ricoh MPC2503

Những yêu cầu hỗ trợ khác về máy photocopy Ricoh Aficio MPC2503:

- Hướng dẫn download Driver máy Photocopy

- Tài liệu kỹ thuật máy Photocopy

- Tài liệu sửa chữa máy Photocopy

- Tài liệu hướng dẫn sử dụng máy Photocopy(Copier User Guide - Copier User Manual)

- SP mode máy Photocopy (Service Program Mode)

- SC Code máy photocopy (Service Call Code - Bảng tra lỗi)

- Linh kiện máy photocopy

- Mọi thắc mắc vui lòng liên hệ Hotline: 0903 172 399 - 0988.266.734.

Bảng tra mã lỗi để bạn có thể sửa máy photocopy ricoh mp MPC2503.

Description:
Fusing central thermopile high temperature detection (software) Above (T3) degrees C detected for (t4) seconds continuously. Detection period 100ms, detection count: 10 times or more.
Causes:
• Triac short-circuit • IOB board defective • BCU board defective
Remedy:
• Replace the IOB board • Replace the BCU board • Replace the fusing unit
Code: 549-01
Description:
Shield Operation Error Detection During HP detection operation, shield sensors 1 and 2 detect "High" for (t30) seconds continuously.
Causes:
• Motor defective • Sensor defective • Sensor actuator/feeler modification/defective • Shield modification/defective
Remedy:
• Replace the motor • Replace the HP sensor • Replace the fusing unit
Code: 549-02
Description:
Shield Operation Error Detection During shield basic operation, shield sensor 2 does not go "Low > High" even if (t31) seconds elapsed from screen motor rotation start.
Causes:
• Motor defective • Sensor defective • Sensor actuator/feeler modification/defective • Shield modification/defective
Remedy:
• Replace the motor • Replace the HP sensor • Replace the fusing unit
Code: 549-03
Description:
Shield Operation Error Detection During shield basic operation, shield motor does not stop even if (t32) seconds elapsed from rotation start.
Causes:
• Motor defective • Sensor defective • Sensor actuator/feeler modification/defective • Shield modification/defective
Remedy:
• Replace the motor • Replace the HP sensor • Replace the fusing unit

Code: 549-04
Description:
Shield Operation Error Detection During HP detection operation, HP detection fails 3 times consecutively.
Causes:
• Motor defective • Sensor defective • Sensor actuator/feeler modification/defective • Shield modification/defective
Remedy:
• Replace the motor • Replace the HP sensor • Replace the fusing unit
Code: SC101-01
Description:
Lamp Error (Scanning) The white level peak did not reach the prescribed threshold when the white plate was scanned.
Causes:
• LED defective • IDB (LED driver) defective • SBU defective • IPU defective • Power/signal harness defective • Condensation in scanner unit • Mirrors or lenses dirty or positioned incorrectly • White plate dirty or installed incorrectly
Remedy:
1. Turn the power off/on. 2. Perform the following operations: • Reconnect the power/signal harness. • Reattach/clean the mirrors/lenses. • Reattach/clean the white plate. 3. Replace the following parts: • Replace the LED board. • Replace the IDB board or SIO board. • Replace the SBU board. • Replace the IPU board. • Replace the power/signal harness.
Code: SC101-02
Description:
Lamp Error (LED illumination adjustment) LED error was detected.
Causes:
• LED defective • IDB (LED driver) defective • Power/signal harness defective
Remedy:
1. Turn the power off/on. 2. Perform the following operations: • Reconnect the power/signal harness. 3. Replace the following parts: • Replace the LED board. • Replace the IDB board or SIO board. • Replace the power/signal harness.
Code: SC102-00
Description:
LED Illumination Adjustment Error The white level peak reached the prescribed threshold when the white plate was scanned after a specified number of adjustments.
Causes:
• LED defective • IDB (LED driver) defective • SBU defective • IPU defective • Power/signal harness defective
Remedy:
1. Turn the power off/on. 2. Reconnect the power/signal harness. 3. Replace the following parts: • Replace the LED board. • Replace the SBU board. • Replace the IDB board or SIO board. • Replace the IPU board. • Replace the power/signal harness.

Code: SC120-00
Description:
Scanner Home Position Error 1 The scanner home position 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 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:
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 home position sensor does not go ON. Details: Error detection timing • During homing • During an automatic adjustment • During a scan from the ADF 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:
Replace the following parts: • Replace the home position sensor • Replace the scanner motor • Replace the harness.
Code: SC141-00
Description:
Black level detection error The black level cannot be adjusted within the target during auto gain control.
Causes:
• SBU defective • IPU defective • Power/signal harness defective
Remedy:
1. Turn the power off/on. 2. Reconnect the power/signal harness. 3. Replace the following parts: • Replace the SBU board. • Replace the IPU board. • Replace the power/signal harness.
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:
• SBU defective • LED defective • IDB (LED driver) defective • IPU defective • Power/signal harness defective • Scanner drive error • Condensation in scanner unit • Mirrors or lenses dirty or positioned incorrectly • White plate dirty or installed incorrectly
Remedy:
1. Turn the power off/on. 2. Perform the following operations: • Reconnect the power/signal harness. • Reattach/clean the mirrors/lenses. • Reattach/clean the white plate. 3. Replace the following parts: • Replace the SBU board. • Replace the LED board. • Replace the IDB board. • Replace the IPU board. • Replace the SIO board. • Replace the power/signal harness.

Code: SC144-00
Description:
SBU Communication Error • Connection to SBU cannot be confirmed. (Connection detection error) • Cannot communicate with the SBU, or the communication result is abnormal.
Causes:
• SBU defective • The other side of the communication (BCU, IPU etc.) defective • Power/signal harness defective
Remedy:
1. Turn the power off/on. 2. Reconnect the power/signal harness. 3. Replace the following parts: • Replace the SBU board. • Replace the IPU board. • Replace the BCU board. • Replace the power/signal harness.
Code: SC161-01
Description:
IPU Error (LSYNC abnormal) An error occurred during the self-diagnostic test performed every time the machine is turned on, or returns to full operation from energy save mode.
Causes:
• IPU (BiCU, iCTL) board defective (ASIC-LEO connection failure, LSYNC abnormal, etc.) • Cable between SBU and IPU (or BiCU) defective
Remedy:
• Replace the IPU (or BiCU) board. • Check the cable between SBU and IPU (or BiCU)
Code: SC161-02
Description:
IPU error (Ri response abnormal) The machine detects an error during an access to the Ri.
Causes:
IPU (BiCU, iCTL) board defective (Ri response abnormal, etc.)
Remedy:
Replace the IPU (or BiCU) board.
Code: SC165-00
Description:
Copy data security unit error • The copy data security option is enabled in the User Tools but the option board is detected as missing or defective. • The copy data security option was detected as defective when the machine was turned on or returned from energy save mode.
Causes:
• Copy data security unit board not installed correctly • Copy data security unit board defective
Remedy:
• Reinstall the copy data security unit board. • Replace the copy data security unit board.

Code: SC185-00
Description:
CIS transmission error The data read from the ASIC register on the CIS were not as expected. Details: • Occurs when a serial communication error between the CIS board and the DF board is detected. Occurs also when an error is detected during initialization of the ASIC on the CIS. • This can happen during initialization and feeding. The first and second consecutive occurrences of each constitute jams. The third occurrence constitutes an SC. (An initialization jam/transport jam occurs on 2 continuous occasions during either initialization or transport, and on the 3rd continuous occasion, an SC is generated)
Causes:
• Connector or harness between DF board and CIS board is disconnected or defective • ASIC on the CIS is defective • Boot failure of ASIC on the CIS
Remedy:
1. Reconnect the power/signal harness. 2. Replace the following parts: • Replace the CIS and CIPB. • Replace the ADF main control board. • Replace the power/signal harness.
Code: SC186-00
Description:
CIS LED error During initialization: • The ratio between the average values of leading-edge area and rear-edge area is out of specification. • Shading data peak value is below specification. During scanning: • Shading data peak value is below specification. Details: During initialization: • Occurs when one out of two CIS LEDs is malfunctioning, causing the difference between the average values of leading-edge area and rear-edge area to be large (CIS LED error detection). • Occurs when both of the CIS LEDs are malfunctioning (unlit), causing the shading data peak value to be extremely low (CIS white level adjustment). During scanning: • Occurs when both of the CIS LEDs are malfunctioning (unlit), causing the shading data peak value to be extremely low (CIS scan control, gray balance adjustment/confirmation). • The first and second consecutive occurrences of each constitute initial/feed jams. The third occurrence constitutes an SC. (An initialization jam/transport jam occurs on 2 continuous occasions during either initialization or transport, and on the 3rd continuous occasion, an SC is generated)
Causes:
During initialization: • One or two out of two CIS LEDs are defective During scanning: • Both of the CIS LEDs are defective.
Remedy:
1. Reconnect the power/signal harness. 2. Replace the following parts: • Replace the CIS and CIPB. • Replace the CIS background white roller. • Replace the power/signal harness. • Replace the ADF main control board.
Code: SC187-00
Description:
CIS black level error The black level scanned by CIS is abnormal. Details: • Occurs when abnormality is detected in the process of black level generation – detection. • The first and second consecutive occurrences constitute initial jams. The third occurrence constitutes an SC.
Causes:
CIS defective
Remedy:
Replace the CIS and CIPB.
Code: SC188-00
Description:
CIS white level error • The shading data peak value read out from the CIS is abnormal. • The shading data peak value is not within the specified range from the target value. Details: • Occurs when abnormality is detected in the process of CIS shading data peak detection. • The first and second consecutive occurrences constitute initial jams. The third occurrence constitutes an SC.
Causes:
CIS defective
Remedy:
1. Reconnect the power/signal harness. 2. Replace the following parts: • Replace the CIS and CIPB. • Replace the CIS background white roller. • Replace the power/signal harness.

Code: SC189-00
Description:
CIS gray balance adjustment error The difference between gray balance adjustment target value and the value scanned from the GS20 chart was out of specification upon execution of gray balance adjustment confirmation (SP4-705-002). Details: • Occurs when gray balance adjustment fails. • The first occurrence constitutes an SC (not an initial jam).
Causes:
CIS defective
Remedy:
Replace the adjustment chart. (Degradation due to scratches and smudges)
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: SC201-00
Description:
Polygon motor error XSCRDY signal (polygon ready) error
Causes:
• Disconnection or connection fault of I/F harness to polygon motor driver • Polygon motor or polygon motor driver malfunction • Polygon motor drive pulse is not outputted normally (polygon control unit peripherals). • XSCRDY signal monitoring cannot be performed (polygon control unit peripherals).
Remedy:
• Turn the power off/on • Replace the LSU or polygon motor • Replace the polygon harness • Replace the IPU board
Code: SC202-00
Description:
Polygon Motor: ON Timeout Error After the polygon motor turned on, or within T1 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 LSU or polygon motor • Replace the polygon harness • Replace the IPU board

Code: SC231-01
Description:
FGATE OFF error: Bk • The FGATE signal did not turn OFF within T1 sec. after the writing process of the corresponding color ended. • The FGATE signal did not turn OFF when the next job of the corresponding color started.
Causes:
• GAVD defective • Image processing ASIC defective
Remedy:
• Turn the power off/on. • Replace the IPU board. • Replace the controller board. Service Call 201-285 521
Code: SC231-02
Description:
FGATE OFF error: Cy • The FGATE signal did not turn OFF within T1 sec. after the writing process of the corresponding color ended. • The FGATE signal did not turn OFF when the next job of the corresponding color started.
Causes:
• GAVD defective • Image processing ASIC defective
Remedy:
• Turn the power off/on. • Replace the IPU board. • Replace the controller board. Service Call 201-285 521
Code: SC231-03
Description:
FGATE OFF error: Ma • The FGATE signal did not turn OFF within T1 sec. after the writing process of the corresponding color ended. • The FGATE signal did not turn OFF when the next job of the corresponding color started.
Causes:
• GAVD defective • Image processing ASIC defective
Remedy:
• Turn the power off/on. • Replace the IPU board. • Replace the controller board. Service Call 201-285 521
Code: SC231-04
Description:
FGATE OFF error: Ye • The FGATE signal did not turn OFF within T1 sec. after the writing process of the corresponding color ended. • The FGATE signal did not turn OFF when the next job of the corresponding color started.
Causes:
• GAVD defective • Image processing ASIC defective
Remedy:
• Turn the power off/on. • Replace the IPU board. • Replace the controller board. Service Call 201-285 521

Code: SC240-01
Description:
LD error: Bk • If LD error terminal of LD driver of corresponding color is asserted after LD initialization. • If an error is detected during initialization of P-MAC which detects Ith/Ieta of LD of corresponding color.
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 LD unit • Replace the harness • Replace the IPU board
Code: SC240-04
Description:
LD error: Ma • If LD error terminal of LD driver of corresponding color is asserted after LD initialization. • If an error is detected during initialization of P-MAC which detects Ith/Ieta of LD of corresponding color.
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 LD unit • Replace the harness • Replace the IPU board
Code: SC272-01
Description:
G-MAC communication error: Bk In view of parity, 3 retries were performed
Causes:
• IPU defective • Harness defective • LDB defective
Remedy:
• Cycle the main power off/on • Replace the LD unit • Replace the harness • Replace the IPU board
Code: SC272-02
Description:
G-MAC communication error: Cy In view of parity, 3 retries were performed
Causes:
• IPU defective • Harness defective • LDB defective
Remedy:
• Cycle the main power off/on • Replace the LD unit • Replace the harness • Replace the IPU board

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 • IOB defective • Unit torque increased
Remedy:
• Replace the motor • Reconnect the connector • Replace the harness • Replace the IOB • Replace the unit • Replace the driven unit
Code: SC324-05
Description:
Development motor: CMY: 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 • IOB defective • Unit torque increased
Remedy:
• Replace the motor • Reconnect the connector • Replace the harness • Replace the IOB • Replace the unit
Code: SC360-01
Description:
TD sensor adjustment error (K) During TD sensor initialization, the TD sensor output voltage (Vt) cannot be adjusted to the target range (target value +- 0.2V, SP3-030-031 to 034) for 3 times consecutively.
Causes:
• TD sensor defective • Loose connection • Harness broken • Developer toner density differs from initial developer
Remedy:
• Replace the development unit.
Code: SC360-02
Description:
TD sensor adjustment error (C) During TD sensor initialization, the TD sensor output voltage (Vt) cannot be adjusted to the target range (target value +- 0.2V, SP3-030-031 to 034) for 3 times consecutively.
Causes:
• TD sensor defective • Loose connection • Harness broken • Developer toner density differs from initial developer
Remedy:
• Replace the development unit.

Code: SC360-03
Description:
TD sensor adjustment error (M) During TD sensor initialization, the TD sensor output voltage (Vt) cannot be adjusted to the target range (target value +- 0.2V, SP3-030-031 to 034) for 3 times consecutively.
Causes:
• TD sensor defective • Loose connection • Harness broken • Developer toner density differs from initial developer
Remedy:
• Replace the development unit.
Code: SC360-04
Description:
TD sensor adjustment error (Y) During TD sensor initialization, the TD sensor output voltage (Vt) cannot be adjusted to the target range (target value +- 0.2V, SP3-030-031 to 034) for 3 times consecutively.
Causes:
• TD sensor defective • Loose connection • Harness broken • Developer toner density differs from initial developer
Remedy:
• Replace the development unit.
Code: SC361-01
Description:
TD sensor output error: Upper Limit (K) TD sensor output: Vt (SP3-210-001 to 004) > output upper limit error threshold (SP3-211-002) continuously exceeded the upper limit occurrence threshold value (SP3-211-003).
Causes:
TD sensor connector dropout (connection fault)
Remedy:
1. TD sensor connector missing check 2. Check whether there is any error in the TD sensor harness (disconnection, etc.) 3. If the sensor is defective, replace the development unit.
Code: SC361-02
Description:
TD sensor output error: Upper Limit (C) TD sensor output: Vt (SP3-210-001 to 004) > output upper limit error threshold (SP3-211-002) continuously exceeded the upper limit occurrence threshold value (SP3-211-003).
Causes:
TD sensor connector dropout (connection fault)
Remedy:
1. TD sensor connector missing check 2. Check whether there is any error in the TD sensor harness (disconnection, etc.) 3. If the sensor is defective, replace the development unit.

Code: SC361-03
Description:
TD sensor output error: Upper Limit (M) TD sensor output: Vt (SP3-210-001 to 004) > output upper limit error threshold (SP3-211-002) continuously exceeded the upper limit occurrence threshold value (SP3-211-003).
Causes:
TD sensor connector dropout (connection fault)
Remedy:
1. TD sensor connector missing check 2. Check whether there is any error in the TD sensor harness (disconnection, etc.) 3. If the sensor is defective, replace the development unit.
Code: SC361-04
Description:
TD sensor output error: Upper Limit (Y) TD sensor output: Vt (SP3-210-001 to 004) > output upper limit error threshold (SP3-211-002) continuously exceeded the upper limit occurrence threshold value (SP3-211-003).
Causes:
TD sensor connector dropout (connection fault)
Remedy:
1. TD sensor connector missing check 2. Check whether there is any error in the TD sensor harness (disconnection, etc.) 3. If the sensor is defective, replace the development unit.
Code: SC362-01
Description:
TD sensor output error: Lower limit (K) TD sensor output: Vt (SP3-210-001 - 004) < 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:
1. TD sensor connector missing check 2. Check whether there is any error in the TD sensor harness (disconnection, etc.) 3. If the sensor is defective, replace the development unit.
Code: SC362-02
Description:
TD sensor output error: Lower limit (C) TD sensor output: Vt (SP3-210-001 - 004) < 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:
1. TD sensor connector missing check 2. Check whether there is any error in the TD sensor harness (disconnection, etc.) 3. If the sensor is defective, replace the development unit.

Code: SC362-03
Description:
TD sensor output error: Lower limit (M) TD sensor output: Vt (SP3-210-001 - 004) < 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:
1. TD sensor connector missing check 2. Check whether there is any error in the TD sensor harness (disconnection, etc.) 3. If the sensor is defective, replace the development unit.
Code: SC362-04
Description:
TD sensor output error: Lower limit (Y) TD sensor output: Vt (SP3-210-001 - 004) < 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:
1. TD sensor connector missing check 2. Check whether there is any error in the TD sensor harness (disconnection, etc.) 3. If the sensor is defective, replace the development unit.
Code: SC370-01
Description:
TM (ID) sensor calibration error (F) Regular reflection optical output voltage of the Front or Center or Rear TM (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:
• TM (ID) sensor connector missing/ connection fault • TM (ID) sensor detection window dirt • TM (ID) sensor malfunction • Undulation in the ITB, or belt slippage
Remedy:
• Remove image transfer unit, and check for TM (ID) sensor connector missing. If it is missing, reconnect it. • Check for dirt on the ID sensor detection window. If te detection window is dirty, clean by predetermined method (do not wipe dry). • Check the condition of the ITB. If undulation or belt slippage has occurred, re-install or replace the ITB. • If neither of the above have occurred, perform TM (ID) sensor replacement
Code: SC370-02
Description:
TM (ID) sensor calibration error (C) Regular reflection optical output voltage of the Front or Center or Rear TM (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:
• TM (ID) sensor connector missing/ connection fault • TM (ID) sensor detection window dirt • TM (ID) sensor malfunction • Undulation in the ITB, or belt slippage
Remedy:
• Remove image transfer unit, and check for TM (ID) sensor connector missing. If it is missing, reconnect it. • Check for dirt on the ID sensor detection window. If te detection window is dirty, clean by predetermined method (do not wipe dry). • Check the condition of the ITB. If undulation or belt slippage has occurred, re-install or replace the ITB. • If neither of the above have occurred, perform TM (ID) sensor replacement

Code: SC370-03
Description:
TM (ID) sensor calibration error (R) Regular reflection optical output voltage of the Front or Center or Rear TM (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:
• TM (ID) sensor connector missing/ connection fault • TM (ID) sensor detection window dirt • TM (ID) sensor malfunction • Undulation in the ITB, or belt slippage
Remedy:
• Remove image transfer unit, and check for TM (ID) sensor connector missing. If it is missing, reconnect it. • Check for dirt on the ID sensor detection window. If te detection window is dirty, clean by predetermined method (do not wipe dry). • Check the condition of the ITB. If undulation or belt slippage has occurred, re-install or replace the ITB. • If neither of the above have occurred, perform TM (ID) sensor replacement
Code: SC396-05
Description:
Drum motor (CMY) 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 • IOB defective • Unit torque increased.
Remedy:
• Replace the motor • Reconnect the connector • Replace the harness • Replace the IOB • Replace the PCDU
Code: SC441-00
Description:
Drum transfer 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 • IOB defective • Unit torque increased
Remedy:
• Replace the motor • Reconnect the connector • Replace the harness • Replace the IOB • Check the load on the motor (PCDU, Image transfer unit, Paper transfer unit, Waste toner bottle). • Replace the PCDU, Image transfer unit, Paper transfer unit or Waste toner bottle.
Code: SC442-00
Description:
ITB Lift Error Even though the ITB lift motor (also Toner supply motor (M)) rotates, the ITB lift sensor failed to detect the specified sensor feeler status within specified time. • Contact/separation operation: If not detected in 2000msec • Home position operation: If not detected in 5000msec Signal detection sampling period: 10msec
Causes:
• Image transfer unit not set/faulty setting • Sensor dirt • Sensor defective • Motor defective • Unit load large
Remedy:
• Reset the Image transfer unit • Clean the sensor • Replace the sensor • Replace the contact/separation drive unit • Replace the image transfer unit • Check the harness

Code: SC443-00
Description:
Image transfer encoder error/Image transfer unit set fault During encoder count of the transfer motor, if there is no effective edge interrupt for 1.5 sec, and there is an overflow for 1.5 seconds consecutively, it is determined that there is an encoder error, SC443-00 is logged, and the system shifts to FG control without stopping the transfer motor. This error does not occur in this machine, because it does not have an encoder.
Causes:
• Encoder defective • Transfer motor defective • Connector disconnected • Harness broken
Remedy:
• Replace the image transfer unit • Replace the transfer motor • Reset the connector • Replace the harness • Ensure that SP2-920-07 to 009 is set to "1(FG)". It must not be set to "0".
Code: SC444-00
Description:
Image transfer phase sensor error Phase sensor signal does not become L->H or H->L for 1.2 sec (time to perform 1.5 or more rotations even when transfer gear is at minimum speed) during motor ON, an image transfer phase sensor error log SC is displayed.
Causes:
• Sensor dirt • Sensor defective • Connector disconnected • Harness broken
Remedy:
• Clean the sensor • Replace the sensor • Reset the connector • Check the harness
Code: SC452-00
Description:
Paper transfer contact motor error Paper transfer contact motor: position sensor cannot detect the sensor filler state within the predetermined time (see below) even if the paper transfer contact motor is rotated. • Contact operation: If not detected in 2000msec • Home position operation: If not detected in 5000msec Signal detection sampling period: 10msec
Causes:
• Sensor dirt • Sensor defection • Motor defection • Unit load large
Remedy:
• Replace the contact drive unit • Replace the image transfer unit • Check the harness
Code: SC491-00
Description:
High voltage power source: charge/development: output error SC detection signal (charge/development) is L (abnormal) for 200 ms consecutively during high voltage (charge/development) output.
Causes:
H/W error • Output contact setting fault • Controller connector set fault • Ground fault of output high voltage path • Surface/air clearance insufficient (arc discharge) • Controller harness disconnection, short-circuit • PCU setting fault • Control board _IOB error (related signal error) • HVP_CB error 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) • Abnormal deterioration of drum, and over current due to pinholes • Drum vs charge roller gap error (PCU error). • Over current due to drum surface condensation • Grounding fault of developing output, short-circuit with other outputs • Surface/air clearance insufficient in developing output path (including distance from other outputs) • Other
Remedy:
• Cycle the main power off/on • Reset or replace the harness of high voltage power supply feed path • Reset or replace the harness between IOB-HVP_CB • Reset or replace the PCU • Check the operation of the contact mechanism • Replace the HVP_CB • Replace the IOB

Code: SC492-00
Description:
High voltage power source: image transfer/paper transfer: output error SC detection signal (transfer) is L (abnormal) for 200 ms consecutively during high voltage (transfer) output.
Causes:
H/W error • Output power connector setting fault • Controller connector setting fault • Output high voltage Harness disconnection • Controller harness disconnection, short-circuit • Transfer unit setting fault • Control board_ IOB error (related signal error) • HVP_TTS error Load error • Increase in paper transfer roller impedance (low temperature environment/impedance rise/impedance rise due to dirt) • Operation fault of paper transfer contact mechanism • Increase in image transfer belt impedance • Opening in load power supply path
Remedy:
• Reset or replacement the harness of high voltage power supply feed path • Reset or replace the harness between IOB-HVP_TTS • Reset or replace the transfer unit • Check operation of the contact mechanism • Replace the HVP_TTS • Replace the IOB
Code: SC493-00
Description:
High voltage power source: DS development: output error "HVP:DS:output error detection signal" is detected “0” (abnormal) for 10 times consecutively (for 200ms) during output of the PWM signal used as an error detection target
Causes:
• Leak harness fault • Unit fault • High voltage power source fault
Remedy:
• Turn the power off/on • Reset or replacement the harness of high voltage power supply feed path • Reset or replace the unit • Replace the high voltage power source
Code: SC497-00
Description:
Machine temperature detection thermistor error Temperature sensor output error: Below 0.56V (90 degrees or more), or above 3.0V (below -18 degrees)
Causes:
• Connector disconnection or broken • Sensor defective
Remedy:
• Check the sensor setting • Replace the imaging temperature sensor (thermistor)
Code: SC498-00
Description:
Temperature and humidity sensor error Temperature sensor output error: Below 0.76V, or above 2.90V, or Moisture sensor output error: more than 2.4V
Causes:
• Sensor not setting (disconnection or broken) • Sensor defective
Remedy:
• Check the sensor setting • Replace the sensor

Code: SC501-01
Description:
1st Tray Lift Error The 1st tray lift motor error detection count reaches 3. (Up to 2, reset is displayed)
Causes:
• 1st tray limit sensor connector missing, malfunction, dirt • 1st tray lift motor connector missing, disconnection, malfunction. • 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 1st tray limit sensor, 1st tray lift motor • Check the harness • Reset the connector • Replacement 1st paper feed unit, 1st tray • Replacement Paper transport IOB • Replacement
Code: SC501-02
Description:
1st Tray Lowering Error The 1st tray descent motor error detection count reaches 5. (Up to 4, reset is displayed)
Causes:
• 1st tray limit sensor connector missing, malfunction, dirt • 1st tray lift motor connector missing, disconnection, malfunction • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor. • Paper set fault • Paper overload
Remedy:
• Reset the paper • Remove the foreign matter 1st tray limit sensor, 1st tray lift motor • Check the harness • Reset the connector • Replacement 1st paper feed unit, 1st tray • Replacement Paper transport IOB • Replacement
Code: SC502-01
Description:
2nd Tray Lift Error The 2nd tray lift motor error detection count reaches 3. (up to 2, reset is displayed)
Causes:
• 2nd tray limit sensor connector missing, malfunction, dirt • 2nd tray lift motor connector missing, disconnection, malfunction • 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 2nd tray limit sensor, 2nd tray lift motor • Check the harness • Reset the connector • Replacement 2nd paper feed unit, 2nd tray • Replacement Paper transport IOB • Replacement
Code: SC502-02
Description:
2nd Tray Lowering Error The detection count of 2nd tray descent motor descent errors reaches a total of 5. (up to 4, reset is displayed)
Causes:
• The 2nd paper feed tray limit sensor connector missing, malfunction, and dirt • 2nd tray lift motor connector missing, disconnection, malfunction • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor • Paper set fault • Paper overload
Remedy:
• Reset the paper • Remove the foreign matter 2nd tray limit sensor, 2nd tray lift motor • Check the harness • Reset the connector • Replacement 2nd paper feed unit, 2nd tray • Replacement Paper transport IOB • Replacement

Code: SC503-01
Description:
3rd Tray Lift Error (single bank) • 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, and the limit sensor is not detected although a predetermined time elapsed, for 3 times consecutively. (up to 2 times consecutively, the bank transmits a "tray set fault" to the main machine)
Causes:
• Lift motor error/connector missing • Limit sensor error/connector missing • Harness broken • Bank 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 motor • Reset the connector • Replace the harness • Replace the sensor • Replace the control board for the optional paper feed tray • Replace the tray • Replace the paper feed roller • Replace the pick-up arm
Code: SC503-02
Description:
3rd Tray Lowering Error (single bank • Lift motor descent error detection During tray initialization, the tray base plate is lowered to check the tray base plate position, and the limit sensor is detected although a predetermined time elapsed, for 3 times consecutively. (up to 2 times consecutively, the bank transmits a "tray set fault" to the main machine)
Causes:
• Lift motor error/connector missing • Limit sensor error/connector missing • Harness broken • Bank control 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 motor • Reset the connector • Replace the harness • Replace the sensor • Replace the control board for the optional paper feed tray • Replace the tray • Replace the paper feed roller • Replace the pick-up arm
Code: SC503-11
Description:
3rd Tray Lift Error (double bank, upper tray) • 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, and the limit sensor is not detected although a predetermined time elapsed, for 3 times consecutively. (up to 2 times consecutively, the bank transmits a "tray set fault" to the main machine)0
Causes:
• Lift motor error/connector missing • Limit sensor error/connector missing • Harness broken • Bank 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 motor • Reset the connector • Replace the harness • Replace the sensor • Replace the control board for the optional paper feed tray • Replace the tray • Replace the paper feed roller • Replace the pick-up arm
Code: SC503-12
Description:
3rd Tray Lowering Error (double bank, upper tray) • Lift motor descent error detection During tray initialization, the tray base plate is lowered to check the tray base plate position; the limit sensor is detected although a predetermined time elapsed, for 3 times consecutively. (up to 2 times consecutively, the bank transmits a "tray set fault" to the main machine)
Causes:
• Lift motor error/connector missing • Limit sensor error/connector missing • Harness broken • Bank control 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 motor • Reset the connector • Replace the harness • Replace the sensor • Replace the control board for the optional paper feed tray • Replace the tray • Replace the paper feed roller • Replace the pick-up arm

Code: SC503-31
Description:
3rd Tray Lift Error (LCIT) • 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, and the limit sensor is detected although a predetermined time elapsed, for 3 times consecutively. • 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, and the limit sensor is not detected although a predetermined time elapsed, for 3 times consecutively. (up to 2 times consecutively, LCIT transmits "tray set fault" to the main machine)
Causes:
• Lift motor error/connector missing • Limit sensor error/connector missing • Harness broken • Bank control 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/dropout • Timing pulley damage/dropout • Base plate damage/horizontality fault • Paper feed roller missing item • 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 motor • Reset the connector • Replace the harness • Replace the sensor • Replace the control board for the optional paper feed tray • 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) • Lower limit detection error (during descent) During tray initialization (upper limit not detected/lower eject limit detection), the tray base plate is lowered to check the tray base plate position, and 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 error (during ascent) During tray initialization (upper limit eject detection/lower limit detection), the tray base plate is raised to check the tray base plate position, and the lower limit sensor is detected although a predetermined time elapsed. *If an error occurs 3 times consecutively: LCIT transmits "3rd tray lower limit detection error" to the main machine. Up to 2 times consecutively, LCIT transmits "tray set fault" to the main machine.
Causes:
• Lift motor error/connector missing • Lower limit sensor error/connector missing • Harness broken • Bank control 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/dropout • Timing pulley damage/dropout • Base plate damage/horizontality fault • Foreign matter, such as paper scrap, is caught inside the right tray
Remedy:
• Reset the paper • Remove the foreign matter • Replace the motor • Reset the connector • Replace the harness • Replace the sensor • Replace the control board for the optional paper feed tray • 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) During tray initialization, both the upper limit and lower limit are detected 3 times consecutively. (up to 2 times consecutively, LCIT transmits "tray set fault" to the main machine)
Causes:
• Paper overload • Paper set fault • 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 right tray
Remedy:
• Reset the paper • Remove the foreign matter • Reset the connector • Replace the harness • Replace the sensor • Replace the control board for the optional paper feed tray
Code: SC503-34
Description:
3rd Tray Paper Position Error (LCIT) During left/right tray set, or when power is switched ON, or when transfer is complete, "open" is detected 3 times consecutively by end fence open/close detection. (up to 2 times consecutively, LCIT transmits "tray set fault" to the main machine)
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) • End fence open/close sensor error/connector missing • Harness broken • Bank control board defective
Remedy:
• Reset the paper • Remove the foreign matter • Reset the connector • Replace the harness • Replace the sensor • Replace the control board for the optional paper feed tray

Code: SC503-35
Description:
3rd Tray Transfer Error (LCIT) • 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. (up to 2 times consecutively, LCIT transmits "tray set fault" to the main machine)
Causes:
• 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 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 control 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 transfer fence
Code: SC503-36
Description:
3rd Tray Transfer HP Error (LCIT) • 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 left tray transfer fence HP sensor is detected although a predetermined time elapsed (HP sensor missing cannot be detected) • HP detection error (during transfer fence HP return) During left tray transfer fence HP not detected (stop after paper transfer, during power supply ON, during left tray set), the left tray transfer fence is moved to HP, but the left tray HP 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. (up to 2 times consecutively, LCIT transmits "tray set fault" to the main machine)
Causes:
• Transfer motor error/connector missing • Left tray transfer fence HP 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 tray 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 control 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 transfer fence
Code: SC504-21
Description:
4th Tray Lift Error (double bank, lower tray) • 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 limit sensor is not detected although a predetermined time elapsed, for 3 times consecutively. (up to 2 times consecutively, the bank transmits a "tray set fault" to the main machine)
Causes:
• Lift motor error/connector missing • Limit sensor error/connector missing • Harness broken • Bank 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 motor • Reset the connector • Replace the harness • Replace the sensor • Replace the control 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 (double bank, lower tray) • Lift motor descent error detection During tray initialization, the tray base plate is lowered to check the tray base plate position, but the limit sensor is detected although a predetermined time elapsed, for 3 times consecutively. (up to 2 times consecutively, the bank transmits a "tray set fault" to the main machine)
Causes:
• Lift motor error/connector missing • Limit sensor error/connector missing • Harness broken • Bank control 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 motor • Reset the connector • Replace the harness • Replace the sensor • Replace the control 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 • 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 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 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. Up to 2 times consecutively, the side LCIT transmits a "tray set fault" to the main machine.
Causes:
• Lift motor error/connector missing • 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 • 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 control 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 • 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. Up to 2 times consecutively, the side LCIT transmits a "tray set fault" to the main machine.
Causes:
• 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 control 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 During tray initialization, both the upper limit and lower limit are detected for 3 times consecutively (up to 2 times consecutively, the side LCIT transmits a "tray set fault" to the main machine.
Causes:
• Paper overload • Paper set fault • 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 control board for the optional side LCT
Code: SC509-00
Description:
SI By-pass Side Fence Drive Motor Error SI by-pass tray performs control to drive the side fence, and bring it against the paper. If the drive does not stop after the maximum drive time set for each operation mode, the error is detected. 1. Side fence contact operation • Drive stop trigger: One side of the fence will be a non-contact state. • Maximum drive time: 1350 msec • Side fence drive motor: CW 2. Side fence pushing operation • Drive stop trigger: Both of the fences will be a contact state. • Maximum drive time: 4200 msec • Side fence drive motor: CCW If the error is detected, a message is displayed "after re-set the paper size in the paper can be pulled through the paper. Should fit the paper guide plate" that. Accumulated count of error detection are 3 (CW) or 13 (CCW), the SC is displayed on the operation panel. In addition, the accumulated count is reset under the following conditions. a Turn the power off/on b If the by-pass side fence is back correct adjustment c Return from sleep
Causes:
• SI by-pass side fence drive motor connector missing, error, step out • SI by-pass side fence paper contact sensor connector missing, error • by-pass paper end sensor error
Remedy:
• SI by-pass side fence drive motor connector reset or replacement • SI by-pass side fence paper contact sensor (front, rear) connector reset or replacement • SI by-pass paper end sensor connector reset or replacement

Code: SC511-00
Description:
Paper Thickness Sensor Error During initial calibration of the paper thickness sensor, the sensor output value does not become the correct value although 3 or more retries are performed.
Causes:
• Paper thickness sensor harness disconnection/connector missing • Dirt on the paper thickness sensor due to paper powder or dust, etc. • Foreign matter adhesion to paper thickness detection unit (1st transport roller)
Remedy:
Code: SC520-01
Description:
Registration 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 • IOB defective • Encoder defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB
Code: SC520-02
Description:
Paper feed 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 • IOB defective • Encoder defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB
Code: SC520-03
Description:
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 • IOB defective • Encoder defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB

Code: SC521-01
Description:
Duplex Entrance 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 • IOB defective • Encoder defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB
Code: SC521-02
Description:
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 • IOB defective • Encoder defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB
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 • IOB defective • Encoder defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB
Code: SC530-00
Description:
Fusing Exhaust Heat 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 • IOB defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the fan

Code: SC531-01
Description:
Development Intake Fan/Right 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 • IOB defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the fan
Code: SC531-02
Description:
Development Intake Fan/Left 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 • IOB defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the fan
Code: SC531-03
Description:
Drive 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 • IOB defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the fan
Code: SC533-01
Description:
PSU Exhaust Heat 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 • IOB defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the fan

Code: SC533-03
Description:
PSU 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 • IOB defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the fan
Code: SC533-04
Description:
Controller Box 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 • IOB defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the fan
Code: SC534-01
Description:
Main Exhaust 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 • IOB defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the fan
Code: SC534-02
Description:
Toner Supply 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 • IOB defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the fan

Code: SC534-03
Description:
Ozone Exhaust 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 • IOB defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the fan
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 • IOB defective
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the fan
Code: SC540-00
Description:
Fusing 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 • IOB defective • Unit torque increased
Remedy:
• Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the unit
Code: SC541-01
Description:
Fusing Central Thermopile Disconnection Below -50 degrees C (or below CB) is detected for (t11) seconds continuously.
Causes:
• disconnection • Connector disconnected
Remedy:
• Replace the thermopile • Reset the connector • Replace the connector • Replace the unit

Code: SC541-02
Description:
Central NC Sensor Disconnection 3ED - 3FF (FB voltage: 3.243V-3.300V) is detected for (t13) seconds continuously (NC sensor center: detection & compensation NC sensor edge: detection & compensation). Detection period: 100 ms, detection frequency: 10 times or more.
Causes:
• NC sensor disconnection • Connector disconnected
Remedy:
• Reset the NC sensor • Reset the connector • Replace the connector • Replace the unit
Code: SC541-03
Description:
Central NC sensor short-circuit AD value: 0-13 (FB voltage: 0.000V-0.041V) (*3) is detected for (t14) seconds continuously. Detection period: 100 ms, detection frequency: 10 times or more.
Causes:
• NC short-circuit • Connector disconnected
Remedy:
• Reset the NC sensor • Reset the connector • Replace the connector • Replace the unit
Code: SC542-02
Description:
Fusing central thermopile does not reload (T21) degrees C not reached after heater 1 ON for (t3) seconds
Causes:
• Thermopile lens dirt • Thermopile modification/float • Outside input voltage guarantee • After excessive temperature rise prevention unit operation
Remedy:
• Replace the thermopile • Check that the input voltage is within acceptable limits • Replace the unit
Code: SC542-03
Description:
Fusing central thermopile does not reload Heating central reload permission temperature not reached after heater 1 ON for (t311) seconds.
Causes:
• Thermopile lens dirt • Thermopile modification/float • Outside input voltage guarantee • After excessive temperature rise prevention unit operation
Remedy:
• Replace the thermopile • Check that the input voltage is within acceptable limits • Replace the unit

Code: SC544-01
Description:
Fusing central thermopile high temperature detection (hardware) In the event of an error
Causes:
• Triac defective (short-circuit) • Engine controller defective • Heating central thermopile defective • Fusing control software: out of control
Remedy:
• If the triac is defective, replace the AC power supply board • If necessary, replace the BCU or the heating central thermopile
Code: SC544-02
Description:
Fusing central NC sensor high temperature detection (hardware) In the event of an error
Causes:
• Triac defective (short-circuit) • Engine controller defective • Heating central thermopile defective • Fusing control software: out of control
Remedy:
• Attach the new fusing unit, then run SP-5-810-002 • If the triac is defective, replace the AC power supply board • If necessary, replace the BCU or the Fusing central NC sensor
Code: SC545-00
Description:
Fusing central heater continuously Heat After waiting for full power for more than (t6) seconds continuously, not detected for (t8) 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:
• Thermistor deformation/float • Heater disconnection • After excessive temperature rise prevention unit operates
Remedy:
• Replace the thermistor • Replace the fusing lamp • Replace the fusing unit
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 control board, and replace harness and board if necessary

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 control 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 control board, and replace harness and board if necessary
Code: SC548-00
Description:
Fusing Rotation Detection During heating, there is no input to the edge of the rotation sensor (t7) ms.
Causes:
• Motor defective • Sensor defective • Sensor actuator/feeler modification/defective
Remedy:
• Replace the motor • Replace the sensor • Replace the actuator/feeler • Replace the fusing unit
Code: SC551-01
Description:
Fusing Edge Thermopile Disconnection Below -50 degrees C (or below CB) is detected for (t11) seconds continuously.˜
Causes:
• Thermopile disconnection • Connector disconnected
Remedy:
• Replace the thermopile • Reset the connector • Replace the connector • Replace the fusing unit

Code: SC551-02
Description:
Edge NC Sensor Disconnection 3ED - 3FF (FB voltage: 3.243V-3.300V) is detected for (t13) seconds continuously (NC sensor center: detection & compensation NC sensor edge: detection & compensation). Detection period: 100 ms, detection frequency: 10 times or more.
Causes:
• NC sensor disconnection • Connector disconnected
Remedy:
• Replace the NC sensor • Reset the connector • Replace the connector • Replace the fusing unit
Code: SC551-03
Description:
Edge NC Sensor Short-circuit AD value: 0-13 (FB voltage: 0.000V-0.041V) (*3) is detected for (t14) seconds continuously. Detection period: 100 ms, detection frequency: 10 times or more.
Causes:
• NC sensor short-circuit • Connector disconnected
Remedy:
• Replace the NC sensor • Reset the connector • Replace the connector • Replace the fusing unit
Code: SC552-02
Description:
Fusing Central Thermopile Does Not Reload (T21) degrees C not reached after heater 1 ON for (t3) seconds.
Causes:
• Thermopile lens dirt • Thermopile modification, float • Outside input voltage guarantee • After excessive temperature rise prevention unit operation
Remedy:
• Replace the thermopile • Make sure that the input voltage is within acceptable limits • Replace the fusing unit
Code: SC552-03
Description:
Fusing Central Thermopile Does Not Reload Heating edge reload permission temperature not reached after heater 1 ON for (t312) seconds.
Causes:
• Thermopile lens dirt • Thermopile modification, float • Outside input voltage guarantee • After excessive temperature rise prevention unit operation
Remedy:
• Replace the thermopile • Make sure that the input voltage is within acceptable limits • Replace the fusing unit

Code: SC553-00
Description:
Fusing End Thermopile High Temperature Detection (software) Above (T3) degrees C detected for (t4) seconds continuously. Detection period: 100ms, detection count: 10 times or more.
Causes:
• Triac short-circuit • IOB defective • BCU defective
Remedy:
• Replace the IOB • Replace the BCU • Replace the fusing unit
Code: SC554-01
Description:
Fusing end thermopile high temperature detection (hardware) In the event of an error
Causes:
• Triac defective (short-circuit) • Engine controller defective • Heating edge thermopile defective • Fusing control software: out of control
Remedy:
• If the triac is defective, replace the AC power supply board • If necessary, replace the BCU or heating edge thermopile
Code: SC554-02
Description:
Fusing end NC sensor high temperature detection (hardware) In the event of an error
Causes:
• Triac defective (short-circuit) • Engine controller defective • Heating edge thermopile defective • Fusing control software: out of control
Remedy:
• Attach the new fusing unit, then run SP-5-810-002 • If necessary, replace the BCU or Fusing edge NC sensor
Code: SC555-00
Description:
Fusing Edge Heater Continuously Heat After waiting for full power for more than (t6) seconds continuously, not detected for (t8) 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:
• Thermistor deformation/float • Heater disconnection • After excess temperature rise prevention unit operation
Remedy:
• Replace the thermistor • Replace the fusing lamp • Replace the fusing unit

Code: SC557-00
Description:
Zero Cross Frequency Exceeded In the event of an error
Causes:
Frequency instability of commercial power line/Noise
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:
Pressurized Central Thermistor Disconnection Below 0 degree C (or below 3F9) detected for (t12) seconds continuously. Detection period 100ms, detection count: 10 times or more.
Causes:
• Thermistor disconnection • Connector disconnected
Remedy:
• Replace the thermistor • Reset the connector • Replace the connector • Replace the fusing unit
Code: SC562-02
Description:
Pressurized Central Thermistor Does Not Reload Does not reach (T21) degree C after heater 1ON for (t3) seconds.
Causes:
• Thermistor dirt • Thermistor deformation, float • Outside input voltage guarantee • After excess temperature rise prevention unit operation
Remedy:
• Replace the thermistor • Make sure that the input voltage is within acceptable limits • Replace the fusing unit

Code: SC563-00
Description:
Pressurized Central Thermistor High Temperature Detection (software) Above (T3) degrees C detected for (t4) seconds continuously. Detection period: 100ms, detection count: 10 times or more.
Causes:
• Triac short-circuit • IOB defective • BCU defective
Remedy:
• Replace the IOB • Replace the BCU • Replace the fusing unit
Code: SC564-00
Description:
Pressurized Central Thermistor High Temperature Detection (hardware) Above (T4) degrees C detected
Causes:
• Triac short-circuit • IOB controller defective • BCU controller defective • Fusing control: out of control
Remedy:
• Replace the IOB • Replace the BCU • Replace the fusing unit
Code: SC569-00
Description:
Depressurizing Error Detection Retry operation fails 3 times consecutively.
Causes:
• Motor defective • Sensor defective • Filler modification, defective
Remedy:
• Replace the motor • Replace the sensor • Replace the fusing unit
Code: SC571-00
Description:
Pressurized Edge Thermistor Disconnection Below 0 degree C (or above 3F9) detected for (t12) continuously. Detection period: 100 ms, detection counts: 10 times or more.
Causes:
• Thermistor disconnection • Connector disconnected
Remedy:
• Replace the thermistor • Reset the connector • Replace the connector • Replace the fusing unit

Code: SC572-04
Description:
Pressurized Edge Thermistor Does Not Reload After starting continuous job with paper width of 257mm or more, does not reach (T22) degrees C after (t313) seconds.
Causes:
• Thermistor dirt • Thermistor deformation, float • Outside input voltage guarantee • After excess temperature rise prevention unit operation
Remedy:
• Replace the thermistor • Make sure that the input voltage is within acceptable limits • Replace the fusing unit
Code: SC573-00
Description:
Pressurized Edge Thermistor High Temperature Detection (software) Above (T3) degrees C detected for (t4) seconds continuously. Detection period: 100ms, detection count: 10 times or more.
Causes:
• Triac short-circuit • IOB defective • BCU defective
Remedy:
• Replace the IOB • Replace the BCU • Replace the fusing unit
Code: SC574-00
Description:
Pressurized Edge Thermistor High Temperature Detection (hardware) Above (T4) degrees C detected
Causes:
• Triac short-circuit • IOB defective • BCU defective • Fusing control: out of control
Remedy:
• Replace the IOB • Replace the BCU • Replace the fusing unit
Code: SC581-00
Description:
Pressurized Expanded Edge Thermistor Disconnection Below 0 degree C (or above 3F9) detected for (t12) seconds continuously. Detection period: 100ms, detection count: 10 times or more.
Causes:
• Thermistor disconnection • Connector disconnected
Remedy:
• Replace the thermistor • Reset the connector • Replace the connector • Replace the fusing unit

Code: SC582-04
Description:
Pressurized Expanded Edge Thermistor Does Not Reload After starting continuous job with paper width of 257mm or more, does not reach (T22) degrees C after (t313) seconds.
Causes:
• Thermistor dirt • Thermistor deformation, float • Outside input voltage guarantee • After excess temperature rise prevention unit operation
Remedy:
• Replace the thermistor • Make sure that the input voltage is within acceptable limits • Replace the fusing unit
Code: SC583-00
Description:
Pressurized Expanded Edge Thermistor High Temperature Detection (software) Above (T3) degrees C detected for (t4) seconds continuously. Detection period: 100ms, detection count: 10 times or more.
Causes:
• Triac short-circuit • IOB defective • BCU defective
Remedy:
• Replace the IOB • Replace the BCU • Replace the fusing unit
Code: SC584-00
Description:
Pressurized Expanded Edge Thermistor High Temperature Detection (hardware) Above (T4) degrees C detected
Causes:
• Triac short-circuit • IOB controller defective • BCU controller defective • Fusing control: out of control
Remedy:
• Replace the IOB • Replace the BCU • Replace the fusing unit
Code: SC620-01
Description:
ADF Communication error After ADF connection was recognized on startup, an error is detected. (disconnection detection)
Causes:
• ADF connection fault • ADF defection • IPU board defection • Noise contamination
Remedy:
• Check the ADF cable connection • Replace the ADF • Replace the IPU board

Code: SC620-02
Description:
ADF Communication Error After ADF connection was recognized on startup, an error is detected. (Retry out due to communication error)
Causes:
• ADF connection fault • ADF defection • IPU board defection • Noise contamination
Remedy:
• Check the ADF cable connection • Replace the ADF • Replace the IPU board
Code: SC621-00
Description:
Finisher communication error • Detected an error when connecting the communication line. • Received a communication error notification from the URAT.
Causes:
• Finisher control board defective. • BCU defective • IOB defective • Connection fault between finisher and main machine.
Remedy:
• Reconnect the Finisher interface cable • Replace the BCU • Replace the finisher • Turn the power off/on
Code: SC622-00
Description:
Paper bank communication error • Detected an error when connecting the communication line. • Received a communication error notification from the URAT.
Causes:
• Paper bank control board defective • BCU defective • IOB defective • Paper bank-main machine connection fault
Remedy:
• Reconnect the optional paper tray connection cable • Replace the BCU • Replace the optional paper tray • Turn the power off/on
Code: SC623-00
Description:
2nd bank communication error During superposition of single bank - double bank, double bank - side LICT, and LCIT - side LCIT, 1. When the upper bank side recognizes the lower bank, the break of the lower bank is not canceled within t5ms. 2. After the upper bank side recognizes the lower bank, there is no ACK within t6ms after transmission of a data frame to the lower bank, and a timeout error occurs for 3 times consecutively even if retransmission is performed (Bank/LCIT transmits "between bank 1 - bank 2: communication error" to the main machine.)
Causes:
• Bank control board fault • Connector disconnected
Remedy:
• Reset the optional paper tray connecting cable • Replace the BCU • Replace the optional paper tray • Turn the power off/on

Code: SC632-00
Description:
Counter device error 1 After 3 attempts to send a data frame to the optional counter device via the serial communication line, no ACK signal was received within 100 ms
Causes:
Serial line between the optional counter device, the relay board and copier control board is disconnected or damaged.
Remedy:
• Turn the main power off/on. • Check the serial communication line.
Code: SC633-00
Description:
Counter device error 2 After communication was established, the controller received the brake signal from the accounting device.
Causes:
Serial line between the optional counter device, the relay board and copier control board is disconnected or damaged.
Remedy:
• Turn the main power off/on. • Check the serial communication line.
Code: SC634-00
Description:
Counter device error 3 A backup RAM error was returned by the counter device.
Causes:
Counter device control board or the backup battery of counter device defective
Remedy:
• Replace the counter device control board. • Replace the backup battery.
Code: SC635-00
Description:
Counter device error 4 A backup battery error was returned by the counter device.
Causes:
Counter device control board or the backup battery of counter device defective
Remedy:
• Replace the counter device control board. • Replace the backup battery.