Bảng tra mã lổi máy photocopy ricoh MPC 4502

THƯƠNG HIỆU:

Liên hệ (CHƯA CÓ VAT)

GIỚI THIỆU SẢN PHẨM

- SC Code Photocopy Ricoh MPC4502

- Bảng tra mã lỗi Photocopy Ricoh MPC4502

- Tài liệu sửa chữa Photocopy Ricoh MPC4502

- Call for service Photocopy Ricoh MPC4502

Những yêu cầu hỗ trợ khác về máy photocopy Ricoh Aficio MPC4502:

- 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 MPC4502 dàng hơn.

Code: 101
Description:Exposure lamp error
The peak white level is less than 64/255 digits (8 bits) when scanning the shading plate.
Causes:• Exposure lamp defective • Lamp stabilizer defective • Exposure lamp connector defective • Standard white plate dirty • Scanner mirror or scanner lens out of position or dirty

Code: 120
Description:Scanner home position error 1
The scanner home position sensor does not detect the “OFF” condition during operation.
Causes:• Scanner motor driver defective • Scanner motor defective • Harness between SIO board and scanner motor disconnected • Scanner HP sensor defective • Harness between SIO and HP sensor disconnected

Code: 121
Description:Scanner home position error 2
The scanner home position sensor does not detect the “ON” condition during operation.
Causes:• Scanner motor driver defective • Scanner motor defective • Harness between SIO board and scanner motor disconnected • Scanner HP sensor defective • Harness between SIO and HP sensor disconnected

Code: 141
Description:Black level detection error The black level cannot be adjusted within the target value during the zero clamp.
Causes:• Harness disconnected • Defective SBU

Code: 142
Description:White level detection error
The white level cannot be adjusted within the target during auto gain control.
Causes:• Dirty exposure glass or optics section • SBU board defective • Exposure lamp defective • Lamp stabilizer defective • Scanner motor defective

Code: 144
Description:SBU communication error
The SBU connection cannot be detected at power on or recovery from the energy save mode.
Causes:• Defective SBU • Defective harness • Defective detection port on the BICU

Code: 161-01
Description:The error result of self-diagnostic by the ASIC on the BICU is detected.
Causes:• Defective BICU • Defective connection between BICU and SBU

Code: 161-02
Description:Detected an error during an access to the Ri.
Causes:• Defective BICU board

Code: 161-03
Description:IPU error
The ASIC on the IPU fails to configure or initialize the DRAM.

Causes:• Defective IPU board

Code: 165
Description:Copy Data Security Unit error
• The copy data security board is not detected when the copy data security function is set "ON" with the initial setting. • A device check error occurs when the copy data security function is set "ON" with the initial setting.
Causes:• Incorrect installation of the copy data security board • Defective copy data security board

Code: 185
Description:CIS communication error Error occurs during ASIC register's automatic initialization on the CIS, or during transmission between the CIS - DF.
Causes:• Harness between the CIS - DF is disconnected • CIS defective

Code: 186
Description:CIS LED error
LED on the CIS causes an error.
Causes:• During initializing, the ratio of the average between leading-edge area and rear-edge is out of range. • During scanning, the shading data peak is under the standard value. • Harness CN210 and CN220 on the DF are disconnected.

Code: 187
Description:CIS black level error
The black level scanned by CIS is abnormal. The black level average of R, G or B is not within range (2 to 62). 0 < Calibrated Black data level < 255 (10bit).
Causes:• Defective CIS

Code: 188
Description:CIS white level error
The shading data peak detected from the CIS is abnormal.
Causes:• Defective CIS

Code: 189
Description:CIS gray balance adjustment error
The adjustment error occurs during the test after adjusting the gray balance.
Causes:• Defective CIS

Code: 195
Description:Serial Number Mismatch
• Serial number stored in the memory does not have the correct code.
Causes:• NVRAM defective • BICU replaced without original NVRAM

Code: 202
Description:Polygon motor error 1: ON timeout
The polygon mirror motor does not reach the targeted operating speed within the specified time after turning on or changing speed
Causes:• Defective or disconnected harness to polygon motor driver board • Defective polygon motor driver board • Defective polygon motor.

Code: 203
Description:Polygon motor error 2: OFF timeout
The polygon mirror motor does leave the READY status within 3 seconds after the polygon motor switches off.
Causes:• Disconnected or defective harness to polygon motor driver board • Defective polygon motor driver board • Defective polygon motor

Code: 204
Description:Polygon motor error 3: XSCRDY signal error
The SCRDY_N signal goes HIGH (inactive) while the laser diode is firing.
Causes:• Disconnected or defective harness to polygon motor driver board • Defective polygon motor • Defective polygon motor driver board

Code: 210-01
Description:Laser synchronizing detection error: end position [K]
The laser synchronizing detection signal for the end position of LDB [K], [Y], [M], [C] is not detected for one second after the LDB unit turned on when detecting the main scan magnification
Causes:Disconnected or defective harness to synchronizing detector for end position. Defective synchronizing detector board. Defective LD board or driver. Defective BICU.

Code: 210-02
Description:Laser synchronizing detection error: end position [Y]
The laser synchronizing detection signal for the end position of LDB [K], [Y], [M], [C] is not detected for one second after the LDB unit turned on when detecting the main scan magnification
Causes:Disconnected or defective harness to synchronizing detector for end position. Defective synchronizing detector board. Defective LD board or driver. Defective BICU.

Code: 210-03
Description:Laser synchronizing detection error: end position [M]
The laser synchronizing detection signal for the end position of LDB [K], [Y], [M], [C] is not detected for one second after the LDB unit turned on when detecting the main scan magnification
Causes:Disconnected or defective harness to synchronizing detector for end position. Defective synchronizing detector board. Defective LD board or driver. Defective BICU.

Code: 210-04
Description:Laser synchronizing detection error: end position [C]
The laser synchronizing detection signal for the end position of LDB [K], [Y], [M], [C] is not detected for one second after the LDB unit turned on when detecting the main scan magnification
Causes:Disconnected or defective harness to synchronizing detector for end position. Defective synchronizing detector board. Defective LD board or driver. Defective BICU.

Code: 220-01
Description:Laser synchronizing detection error: start position [K]: LD1
The laser synchronizing detection signal for the start position of the LDB [K], [C], [M], [Y] is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally.
Causes:• Disconnected cable from the laser synchronizing detection unit or defective connection • Defective laser synchronizing detector • Defective LDB • Defective IPU

Code: 220-02
Description:Laser synchronizing detection error: start position [C]: LD1
The laser synchronizing detection signal for the start position of the LDB [K], [C], [M], [Y] is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally.
Causes:• Disconnected cable from the laser synchronizing detection unit or defective connection • Defective laser synchronizing detector • Defective LDB • Defective IPU

Code: 220-03
Description:Laser synchronizing detection error: start position [M]: LD1
The laser synchronizing detection signal for the start position of the LDB [K], [C], [M], [Y] is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally.
Causes:• Disconnected cable from the laser synchronizing detection unit or defective connection • Defective laser synchronizing detector • Defective LDB • Defective IPU

Code: 220-04
Description:Laser synchronizing detection error: start position [Y]: LD1
The laser synchronizing detection signal for the start position of the LDB [K], [C], [M], [Y] is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally.
Causes:• Disconnected cable from the laser synchronizing detection unit or defective connection • Defective laser synchronizing detector • Defective LDB • Defective IPU

Code: 221-01
Description:Laser synchronizing detection error: start position [K]: LD2
The laser synchronizing detection signal for the start position of the LDB [K], [C], [M], [Y] is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally.
Causes:• Disconnected cable from the laser synchronizing detection unit or defective connection • Defective laser synchronizing detector • Defective LDB • Defective IPU

Code: 221-02
Description:Laser synchronizing detection error: start position [C]: LD2
The laser synchronizing detection signal for the start position of the LDB [K], [C], [M], [Y] is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally.
Causes:• Disconnected cable from the laser synchronizing detection unit or defective connection • Defective laser synchronizing detector • Defective LDB • Defective IPU

Code: 221-03
Description:Laser synchronizing detection error: start position [M]: LD2
The laser synchronizing detection signal for the start position of the LDB [K], [C], [M], [Y] is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally.
Causes:• Disconnected cable from the laser synchronizing detection unit or defective connection • Defective laser synchronizing detector • Defective LDB • Defective IPU

Code: 221-04
Description:Laser synchronizing detection error: start position [Y]: LD2
The laser synchronizing detection signal for the start position of the LDB [K], [C], [M], [Y] is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally.
Causes:• Disconnected cable from the laser synchronizing detection unit or defective connection • Defective laser synchronizing detector • Defective LDB • Defective IPU

Code: 230-01
Description:FGATE ON error: K
The PFGATE ON signal does not assert within 5 seconds after processing the image in normal job or MUSIC for start position [K], [C], [M], [Y].
Causes:• Defective ASIC (Lupus) • Poor connection between controller and IPU • Defective IPU

Code: 230-02
Description:FGATE ON error: C
The PFGATE ON signal does not assert within 5 seconds after processing the image in normal job or MUSIC for start position [K], [C], [M], [Y].
Causes:• Defective ASIC (Lupus) • Poor connection between controller and IPU • Defective IPU

Code: 230-03
Description:FGATE ON error: M
The PFGATE ON signal does not assert within 5 seconds after processing the image in normal job or MUSIC for start position [K], [C], [M], [Y].
Causes:• Defective ASIC (Lupus) • Poor connection between controller and IPU • Defective IPU

Code: 230-04
Description:FGATE ON error: Y
The PFGATE ON signal does not assert within 5 seconds after processing the image in normal job or MUSIC for start position [K], [C], [M], [Y].
Causes:• Defective ASIC (Lupus) • Poor connection between controller and IPU • Defective IPU

Code: 231-01
Description:FGATE OFF error: K
• The PFGATE ON signal still asserts within 5 seconds after processing the image in normal job or MUSIC for end position [K], [C], [M], [Y]. • The PFGATE ON signal still asserts when the next job starts.
Causes:• Defective ASIC (Lupus) • Poor connection between controller and IPU • Defective IPU

Code: 231-02
Description:FGATE OFF error: C
• The PFGATE ON signal still asserts within 5 seconds after processing the image in normal job or MUSIC for end position [K], [C], [M], [Y]. • The PFGATE ON signal still asserts when the next job starts.
Causes:• Defective ASIC (Lupus) • Poor connection between controller and IPU • Defective IPU

Code: 231-03
Description:FGATE OFF error: M
• The PFGATE ON signal still asserts within 5 seconds after processing the image in normal job or MUSIC for end position [K], [C], [M], [Y]. • The PFGATE ON signal still asserts when the next job starts.
Causes:• Defective ASIC (Lupus) • Poor connection between controller and IPU • Defective IPU

Code: 231-04
Description:FGATE OFF error: Y
• The PFGATE ON signal still asserts within 5 seconds after processing the image in normal job or MUSIC for end position [K], [C], [M], [Y]. • The PFGATE ON signal still asserts when the next job starts.
Causes:• Defective ASIC (Lupus) • Poor connection between controller and IPU • Defective IPU

Code: 240-01
Description:LD error: K
The IPU detects LDB error a few times consecutively when LDB unit turns on after LDB initialization.
Causes:• Worn-out LD • Disconnected or broken harness of the LD

Code: 240-02
Description:LD error: C
The IPU detects LDB error a few times consecutively when LDB unit turns on after LDB initialization.
Causes:• Worn-out LD • Disconnected or broken harness of the LD

Code: 240-03
Description:LD error: M
The IPU detects LDB error a few times consecutively when LDB unit turns on after LDB initialization.
Causes:• Worn-out LD • Disconnected or broken harness of the LD

Code: 240-04
Description:LD error: Y
The IPU detects LDB error a few times consecutively when LDB unit turns on after LDB initialization.
Causes:• Worn-out LD • Disconnected or broken harness of the LD

Code: 270
Description:GAVD communication error
The 12C bus device ID is not identified during initialization. A device-status error occurs during 12C bus communication. The 12C bus communication is not established due to an error other than a buffer shortage.
Causes:• Loose connection • Defective GAVD • Defective BCU • Defective controller board

Code: 285
Description:Line position adjustment (MUSIC) error
Line position adjustment fails four consecutive times.
Causes:• Pattern sampling error ( insufficient image density ) • Defective ID sensors for the line position adjustment • Defective image transfer belt unit • Defective PCU(s) • Defective laser optics housing unit

Code: 285
Description:Line position adjustment (MUSIC) error
Line position adjustment fails four consecutive times.
Causes:• Pattern sampling error (insufficient image density) • Defective ID sensors for the line position adjustment • Defective image transfer belt unit • Defective PCDU(s) • Defective laser optics housing unit

Code: 312-01
Description:Charge P.P. output error [K]
The feedback voltage of the charge AC for each color is 0.3 V or less for 0.2 seconds after the charge AC has turned on.
Causes:• Disconnected or broken harnesses of the HVPS • Defective PCDU • Defective HVPS

Code: 312-02
Description:Charge P.P. output error [M]
The feedback voltage of the charge AC for each color is 0.3 V or less for 0.2 seconds after the charge AC has turned on.
Causes:• Disconnected or broken harnesses of the HVPS • Defective PCDU • Defective HVPS

Code: 312-03
Description:Charge P.P. output error [C]
The feedback voltage of the charge AC for each color is 0.3 V or less for 0.2 seconds after the charge AC has turned on.
Causes:• Disconnected or broken harnesses of the HVPS • Defective PCDU • Defective HVPS

Code: 312-04
Description:Charge P.P. output error [Y]
The feedback voltage of the charge AC for each color is 0.3 V or less for 0.2 seconds after the charge AC has turned on.
Causes:• Disconnected or broken harnesses of the HVPS • Defective PCDU • Defective HVPS

Code: 361-01
Description:TD sensor (Vt high) error 1: K
• The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 4.7V) with SP3-020-002 for twenty counts. • The [Vt - Vtref] value of the black, cyan, magenta, or yellow TD sensor exceeds the specified value (default: 5.0V) with SP3-020-001.
Causes:• Black, magenta, cyan, or yellow TD sensor disconnected • Harness between TD sensor and PCDU defective • Defective TD sensor

Code: 361-02
Description:TD sensor (Vt high) error 1: C
• The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 4.7V) with SP3-020-002 for twenty counts. • The [Vt - Vtref] value of the black, cyan, magenta, or yellow TD sensor exceeds the specified value (default: 5.0V) with SP3-020-001.
Causes:• Black, magenta, cyan, or yellow TD sensor disconnected • Harness between TD sensor and PCDU defective • Defective TD sensor

Code: 361-03
Description:TD sensor (Vt high) error 1: M
• The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 4.7V) with SP3-020-002 for twenty counts. • The [Vt - Vtref] value of the black, cyan, magenta, or yellow TD sensor exceeds the specified value (default: 5.0V) with SP3-020-001.
Causes:• Black, magenta, cyan, or yellow TD sensor disconnected • Harness between TD sensor and PCDU defective • Defective TD sensor

Code: 361-04
Description:TD sensor (Vt high) error 1: Y
• The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 4.7V) with SP3-020-002 for twenty counts. • The [Vt - Vtref] value of the black, cyan, magenta, or yellow TD sensor exceeds the specified value (default: 5.0V) with SP3-020-001.
Causes:• Black, magenta, cyan, or yellow TD sensor disconnected • Harness between TD sensor and PCDU defective • Defective TD sensor

Code: 362-01
Description:TD sensor (Vt low) error 2: K
The Vt value of the black, magenta, cyan, or yellow TD sensor is below the specified value with SP3-020-004 (default: 0.5V) for 10 counts.
Causes:• TD sensor harness disconnected, loose, defective • A drawer connector disconnected, loose, defective • TD sensor defective

Code: 362-02
Description:TD sensor (Vt low) error 2: C
The Vt value of the black, magenta, cyan, or yellow TD sensor is below the specified value with SP3-020-004 (default: 0.5V) for 10 counts.
Causes:• TD sensor harness disconnected, loose, defective • A drawer connector disconnected, loose, defective • TD sensor defective

Code: 362-03
Description:TD sensor (Vt low) error 2: M
The Vt value of the black, magenta, cyan, or yellow TD sensor is below the specified value with SP3-020-004 (default: 0.5V) for 10 counts.
Causes:• TD sensor harness disconnected, loose, defective • A drawer connector disconnected, loose, defective • TD sensor defective

Code: 362-04
Description:TD sensor (Vt low) error 2: Y
The Vt value of the black, magenta, cyan, or yellow TD sensor is below the specified value with SP3-020-004 (default: 0.5V) for 10 counts.
Causes:• TD sensor harness disconnected, loose, defective • A drawer connector disconnected, loose, defective • TD sensor defective

Code: 370
Description:ID sensor adjustment error
When the Vsg error counter reaches "3", the machine detects "SC370". The Vsg error counter counts "1" when the Vsg detected by ID sensor is more than the value (default: 4.5V) specified with SP3-324-005 or less than the value (default: 3.5V) specified with SP3-324-006.
Causes:• Dirty or defective ID sensor • ID sensor detection surface dirty

Code: 390-01
Description:Drum gear position sensor error: K
The machine does not detect the drum position signal for 3 seconds at the drum phase adjustment.
Causes:• Dirty or defective drum gear position sensor

Code: 390-02
Description:Drum gear position sensor error: C
The machine does not detect the drum position signal for 3 seconds at the drum phase adjustment.
Causes:• Dirty or defective drum gear position sensor

Code: 390-03
Description:Drum gear position sensor error: M
The machine does not detect the drum position signal for 3 seconds at the drum phase adjustment.
Causes:• Dirty or defective drum gear position sensor

Code: 390-04
Description:Drum gear position sensor error: Y
The machine does not detect the drum position signal for 3 seconds at the drum phase adjustment.
Causes:• Dirty or defective drum gear position sensor

Code: 396-01
Description:Drum/Development motor error: K
The machine detects a High signal from the drum/development motor for 2 seconds after the drum/development motor turned on.
Causes:• Overload on the drum/development motor • Defective drum/development motor • Defective harness • Shorted 24 V fuse on the PSU • Defective interlock system

Code: 396-02
Description:Drum/Development motor error: C
The machine detects a High signal from the drum/development motor for 2 seconds after the drum/development motor turned on.
Causes:• Overload on the drum/development motor • Defective drum/development motor • Defective harness • Shorted 24 V fuse on the PSU • Defective interlock system

Code: 396-03
Description:Drum/Development motor error: M
The machine detects a High signal from the drum/development motor for 2 seconds after the drum/development motor turned on.
Causes:• Overload on the drum/development motor • Defective drum/development motor • Defective harness • Shorted 24 V fuse on the PSU • Defective interlock system

Code: 396-04
Description:Drum/Development motor error: Y
The machine detects a High signal from the drum/development motor for 2 seconds after the drum/development motor turned on.
Causes:• Overload on the drum/development motor • Defective drum/development motor • Defective harness • Shorted 24 V fuse on the PSU • Defective interlock system

Code: 441
Description:Image transfer unit motor error
The motor LOCK signal is not detected for more than two seconds while the motor START signal is on.
Causes:• Motor overload • Defective image transfer unit motor

Code: 442
Description:Image transfer belt contact motor error
The image transfer belt contact sensor does not detect the movement of actuator at the sensor while the polygon motor rotates.
Causes:• Dirty image transfer belt contact sensor • Defective image transfer belt contact motor • Disconnected connector of image transfer belt contact sensor or motor • Disconnected cable

Code: 443
Description:Image transfer unit error
The machine detects the encoder sensor error.
Causes:• Defective encoder sensor • Image transfer unit installation error • Defective image transfer unit motor

Code: 452
Description:Paper transfer unit contact error
The paper transfer unit contact sensor does not detect the movement of actuator at the sensor while the polygon motor rotates.
Causes:• Defective paper transfer unit contact sensor • Defective paper transfer unit contact motor • Broken +24V fuse on PSU • Defective IOB

Code: 460
Description:Separation power pack output error
An interrupt checks the status of the power pack every 20 ms. This SC is issued if the BICU detects a short in the power pack 10 times at D(ac).
Causes:• Damaged insulation on the high-voltage supply cable • Damaged insulation around the high-voltage power supply.

Code: 490
Description:Toner transport motor error
The LOCK signal is not detected for 2 seconds when the transport motor turns on.
Causes:• Toner transport motor overload • Disconnected or broken harness • Defective toner transport motor • Opened +24V fuse on the PSU • Defective interlock switch

Code: 491
Description:High voltage power: Drum/ development bias output error
An error signal is detected for 0.2 seconds when charging the drum or development.
Causes:• High voltage leak • Broken harness • Defective drum unit or development unit • Defective high voltage supply unit

Code: 492
Description:High voltage power: Image transfer/ paper transfer bias output error
An error signal is detected for 0.2 seconds when charging the separation, image transfer bet or paper transfer roller.
Causes:• High voltage leak • Broken harness • Defective image transfer belt unit or paper transfer unit • Defective high voltage supply unit

Code: 497
Description:Temperature sensor error
The thermistor output of the temperature sensor was not within the prescribed range (more than 0.5 V to less than 3.0 V).
Causes:

Code: 498
Description:Temperature and humidity sensor error 2
• The thermistor output of the temperature sensor was not within the prescribed range (more than 0.5 V to less than 3.0 V). • The thermistor output of the humidity sensor was not within the prescribed range (less than 2.4 V).
Causes:• Temperature and humidity sensor harness disconnected, loose, defective • Temperature and humidity sensor defective

Code: 501
Description:Paper Tray 1 error
• When the tray lift motor rotates counterclockwise, (if the upper limit is not detected within 10 seconds), the machine asks the user to reset the tray. • When the tray lift motor rotates clockwise, (if the upper limit is not detected within 1.5 seconds), the machine asks the user to reset the tray. If one of these conditions occurs three consecutive times, the SC is generated.
Causes:• Disconnected or defective paper lift sensor • Disconnected or defective tray lift motor • Defective bottom plate lift mechanism • Too much paper in the tray • Defective IOB

Code: 502
Description:Paper Tray 2 error
• When the tray lift motor rotates counterclockwise, (if the upper limit is not detected within 10 seconds), the machine asks the user to reset the tray. • When the tray lift motor rotates clockwise, (if the upper limit is not detected within 1.5 seconds), the machine asks the user to reset the tray. If one of these conditions occurs three consecutive times, the SC is generated.
Causes:• Disconnected or defective paper lift sensor • Disconnected or defective tray lift motor • Defective bottom plate lift mechanism • Too much paper in the tray • Defective IOB

Code: 503
Description:Tray 3 error (Paper Feed Unit or LCT)
This SC is generated if the following condition occurs. For the paper feed unit: When the tray lift motor is turned on, the upper limit is not detected within 15 seconds For the LCT: The upper or lower limit is not detected within 8 seconds when the tray lift motor is turned on to lift or lower the tray. This SC is generated too if the following condition occurs 3 consecutive times. For the paper feed unit: When the tray lowers, the tray lift sensor does not go off within 1.5 sec. For the LCT: When the main switch is turned on or when the LCT is set, if the end fence is not in the home position (home position sensor ON), the tray lift motor stops. If the upper limit does not go off for 1.5 seconds even the tray lift motor turns on to lower the tray after the upper limit has been detected at power on.
Causes:For the paper feed unit: • Defective tray lift motor or connector disconnection • Defective lift sensor or connector disconnection For the LCT: • Defective stack transport clutch or connector disconnection • Defective tray motor or connector disconnection • Defective end fence home position sensor or connector disconnection • Defective upper limit sensor or connector disconnection • Defective tray lift motor or connector disconnection

Code: 504
Description:Tray 4 error (Paper Feed Unit or LCT)
This SC is generated if the following condition occurs. For the two-tray paper feed unit When the tray lift motor is turned on, the upper limit is not detected within 15 seconds. For the LCT If the upper or lower limit is not detected within 8 seconds when the tray lift motor is turned on to lift up or lower the tray. This SC is generated too if the following condition occurs 3 consecutive times. For the two-tray paper feed unit When the tray lowers, the tray lift sensor does not go off within 1.5 sec. For the LCT If the upper limit does not go off for 1.5 seconds even the tray lift motor turns on to lower the tray after the upper limit has been detected at power on.
Causes:For the two-tray paper feed unit: • Defective tray lift motor or connector disconnection • Defective lift sensor or connector disconnection For the LCT: • Defective stack transport clutch or connector disconnection • Defective tray motor or connector disconnection • Defective end fence home position sensor or connector disconnection • Defective upper limit sensor or connector disconnection • Defective tray lift motor or connector disconnection

Code: 505
Description:Tray 5 error (Optional Paper Feed Unit or LCT)
This SC is generated if the following condition occurs. For the two-tray paper feed unit When the tray lift motor is turned on, the upper limit is not detected within 15 seconds. For the LCT 1200-sheet If the upper or lower limit is not detected within 8 seconds when the tray lift motor is turned on to lift up or lower the tray. This SC is generated too if the following condition occurs 3 consecutive times. For the two-tray paper feed unit When the tray lowers, the tray lift sensor does not go off within 1.5 sec. For the LCT 1200-sheet If the upper limit does not go off for 1.5 seconds even the tray lift motor turns on to lower the tray after the upper limit has been detected at power on.
Causes:• Defective tray lift motor or connector disconnection • Defective lift sensor or connector disconnection

Code: 520-01
Description:Registration motor error
The IOB does not receive the lock signal.
Causes:• Motor overload • Defective registration motor • Disconnected or broken harness • Defective IOB

Code: 520-02
Description:Paper feed motor error
The IOB does not receive the lock signal.
Causes:• Motor overload • Defective registration motor • Disconnected or broken harness • Defective IOB

Code: 530
Description:Fusing fan error
The IOB does not receive the lock signal 100 ms after turning on the fusing fan.
Causes:• Defective fusing fan motor or connector disconnection • Defective IOB

Code: 531
Description:QSU fan error
The machine does not detect the fan motor lock signal for 100 ms while the QSU fan turns on.
Causes:• Disconnected harness • Overload on the QSU fan motor • Defective QSU fan motor • Defective IOB

Code: 532-01
Description:Ventilation fan (at the left side of the machine) motor error: front end
The IOB does not receive the lock signal for 100 ms after turning on the ventilation fan motor in the front end, rear end, front in the middle, or rear in the middle.
Causes:• Defective ventilation fan motor in the front end, rear end, front in the middle, or rear in the middle • Defective IOB

Code: 532-02
Description:Ventilation fan (at the left side of the machine) motor error: rear end
The IOB does not receive the lock signal for 100 ms after turning on the ventilation fan motor in the front end, rear end, front in the middle, or rear in the middle.
Causes:• Defective ventilation fan motor in the front end, rear end, front in the middle, or rear in the middle • Defective IOB

Code: 532-03
Description:Ventilation fan (at the left side of the machine) motor error: front in the middle
The IOB does not receive the lock signal for 100 ms after turning on the ventilation fan motor in the front end, rear end, front in the middle, or rear in the middle.
Causes:• Defective ventilation fan motor in the front end, rear end, front in the middle, or rear in the middle • Defective IOB

Code: 532-04
Description:Ventilation fan (at the left side of the machine) motor error: rear in the middle
The IOB does not receive the lock signal for 100 ms after turning on the ventilation fan motor in the front end, rear end, front in the middle, or rear in the middle.
Causes:• Defective ventilation fan motor in the front end, rear end, front in the middle, or rear in the middle • Defective IOB

Code: 533-01
Description:Second duct fan error 1
The machine does not detect the fan motor lock signal for 100 ms while the second duct fan turns on.
Causes:• Disconnected harness • Overload on the second duct fan motor • Defective second duct motor • Defective IOB

Code: 533-02
Description:Second duct fan error 2
The machine does not detect the fan motor lock signal for 100 ms while the second duct fan turns on.
Causes:• Disconnected harness • Overload on the second duct fan motor • Defective second duct motor • Defective IOB

Code: 534-01
Description:Third duct fan error
The machine does not detect the fan motor lock signal for 100 ms while the third duct fan or tube cooling fan turns on.
Causes:• Disconnected harness • Overload on the third duct fan motor or tube cooling fan motor • Defective third duct motor or tube cooling motor • Defective IOB

Code: 534-02
Description:Tube cooling fan error
The machine does not detect the fan motor lock signal for 100 ms while the third duct fan or tube cooling fan turns on.
Causes:• Disconnected harness • Overload on the third duct fan motor or tube cooling fan motor • Defective third duct motor or tube cooling motor • Defective IOB

Code: 535
Description:Paper exit fan error
The machine does not detect the fan motor lock signal for 100 ms while the paper exit fan turns on.
Causes:• Disconnected harness • Overload on the paper exit fan motor • Defective paper exit motor • Defective IOB

Code: 538
Description:AC controller board fan error
The machine does not detect the fan motor lock signal for 100 ms while the AC controller board fan turns on.
Causes:• Disconnected harness • Overload on the AC controller board fan motor • Defective AC controller board fan motor • Defective IOB

Code: 540
Description:Fusing/Paper exit motor error
The IOB does not receive the lock signal 100 ms after turning on the fusing/ paper exit motor.
Causes:• Motor overload • Defective fusing/paper exit motor • Shorted +24V fuse on the PSU

Code: 541
Description:Heating roller thermopile error
The temperature detected by the heating roller thermopile does not reach 0°C for 6 seconds.
Causes:• Loose connection of the heating roller thermopile • Defective heating roller thermopile • Defective thermopile

Code: 542
Description:Heating roller warm-up error 1
• The heating roller temperature does not reach 80°C for 20 seconds after the inverter turned on. • The center temperature of the heating roller does not reach the ready temperature for 90 seconds after the fusing lamp turned on.
Causes:• Dirty or defective thermopile

Code: 543
Description:Heating roller overheat: Center (software error)
The detected fusing temperature stays at 215°C for 1 second for 10 consecutive times.
Causes:• Defective AC controller board • Defective IOB • Defective IPU

Code: 544
Description:Heating roller overheat: Center (hardware error)
During stand-by mode or a print job, the detected heating roller temperature reaches 220°C.
Causes:• Defective AC controller board • Defective IOB • Defective IPU • Defective fusing control system

Code: 545
Description:Fusing Heater error: Center
The fusing heater keeps full power for 23 seconds or more.
Causes:• Defective thermistors • Disconnected cables

Code: 547
Description:Zero cross error
• The zero cross signal is detected three times even though the heater relay is off when turning on the main power. • The zero cross signal is not detected for 3 seconds even though the heater relay is on after turning on the main power or closing the front door. • The detection error occurs twice or more in the 11 zero cross signal detections. This error is defined when the detected zero cross signal is 39 or less.
Causes:• Defective fusing relay • Defective fusing relay circuit • Shorted +24V fuse on the AC controller board. • Unstable power supply

Code: 549
Description:Fusing heater connection error
The heating roller rotation sensor detects the target temperature as 50°C for 5 seconds or more after the fusing/paper exit motor has turned on.
Causes:• Broken heater cables • Defective connectors

Code: 551
Description:Heating roller thermistor error
The temperature at the end of the heating roller measured by the heating roller thermistor does not reach 0°C for 7 seconds.
Causes:• Loose connection of pressure roller thermistor • Defective heating roller thermistor

Code: 552
Description:Heating roller warm-up error 2
• The heating roller temperature does not reach 80°C for 20 seconds after the inverter turned on. • The temperature at the end of the heating roller does not reach the ready temperature for 89 seconds after the fusing lamp turned on.
Causes:• Defective heating roller thermistor • Defective inverter

Code: 553
Description:Heating roller overheat: End (software error)
The detected heating roller temperature stays at 215°C or more for 1 second for 10 consecutive times.
Causes:• Defective AC controller board • Defective IOB • Defective IPU

Code: 554
Description:Heating roller overheat: End (hardware error)
The heating roller thermistor detects 220°C or more.
Causes:• Defective AC controller board • Defective IOB • Defective IPU • Defective fusing control systemd

Code: 555
Description:Fusing Heater error: End
The fusing heater keeps full power for 19 seconds or more.
Causes:• Defective thermistors • Disconnected cables

Code: 557
Description:Zero cross frequency error
When the zero cross signal is 66 or more and it is detected 10 times or more in 11 detections, the machine determines that input 60 Hz and SC557 occurs.
Causes:• Noise (High frequency) • Defective AC control board

Code: 559
Description:Consecutive fusing jam
The paper jam counter for the fusing unit reaches 3 times. The paper jam counter is cleared if the paper is fed correctly. This SC is activated only when SP1-159-001 is set to "1" (default "0").
Causes:• Paper jam in the fusing unit.

Code: 561
Description:Pressure roller thermistor error: End
The temperature at the end of the pressure roller measured by the thermistor does not reach 0°C for 37 seconds.
Causes:• Loose connection of the thermistor • Defective thermistor

Code: 562
Description:Pressure roller thermistor warm-up error: End
The heating roller rotation sensor does not reach 20°C for 100 seconds after the fusing/paper exit motor has turned on with sheets of 257 mm or more in width.
Causes:• Dirty thermopile lenses • Defective thermistor

Code: 563
Description:Pressure roller overheat: End (software error)
The detected pressure roller temperature stays at 215°C or more for 1 second for 10 consecutive times.
Causes:• Defective AC control board • Defective IOB • Defective IPU

Code: 564
Description:Pressure roller overheat: End (hardware error)
The thermistor detects 220°C or more.
Causes:• Defective AC control board • Defective IOB • Defective IPU • Defective fusing control system

Code: 569-00
Description:Pressure roller contact sensor error
Pressure roller contact sensor does not detect the pressure roller position three times.
Causes:• Broken or defective pressure roller contact sensor • Deformed or broken pressure roller contact sensor feeler • Defective pressure roller contact motor • Defective fusing unit

Code: 569-01
Description:Fusing shutter sensor error
Fusing shutter plate home position sensor error is detected three consecutive times.
Causes:• Defective fusing shutter plate home position sensor • Defective connectors

Code: 571-00
Description:Pressure roller thermistor error: Center
The center temperature of the pressure roller measured by the thermistor does not reach 0°C for 37 seconds.
Causes:• Loose connection of the thermistor • Defective thermistor

Code: 572-02
Description:Pressure roller thermistor warm-up error: Center
The center temperature of the pressure roller measured by the thermistor does not reach 20°C within 100 seconds after the heater turns on.
Causes:• Dirty thermopile lenses • Defective thermistor

Code: 573
Description:Pressure roller overheat : Center (software error)
The detected pressure roller temperature stays at 215°C or more for 1 second for 10 consecutive times.
Causes:• Defective IOB • Defective IPU

Code: 574
Description:Pressure roller overheat : Center (hardware error)
The thermistor detects 220°C or more.
Causes:• Defective IOB • Defective IPU • Defective fusing control system

Code: 581
Description:NC sensor broken: Center
The sensor detects -17°C or less for 100 seconds.
Causes:• Broken cables of thermopile or thermistor • Defective connection of connectors

Code: 591
Description:NC sensor broken: End
The sensor detects -17°C or less for 100 seconds.
Causes:• Broken cables of thermopile or thermistor • Defective connection of connectors

Code: 610
Description:Mechanical counter error: K
This SC is only for NA models. The machine detects the mechanical counter error when SP5987-001 is set to "1".
Causes:• Disconnected mechanical counter • Defective mechanical counter

Code: 620
Description:ARDF communication error
After the ARDF is detected, the break signal occurs or communication timeout occurs.
Causes:• Incorrect installation of ARDF • ARDF defective • BICU board defective • External noise

Code: 621
Description:Finisher communication error
While the IOB communicates with an optional unit, an SC code is displayed if one of following conditions occurs. • The IOB receives the break signal which is generated by the peripherals only just after the main switch is turned on. • When the IOB does not receive an OK signal from a peripheral 100ms after sending a command to it. The IOB resends the command. The IOB does not receive an OK signal after sending the command 3 times.
Causes:• Cable problems • IOB problems • BICU problems • PSU problems in the machine • Main board problems in the peripherals

Code: 622
Description:Paper tray unit communication error
While the IOB communicates with an optional unit, an SC code is displayed if one of following conditions occurs. • The IOB receives the break signal which is generated by the peripherals only just after the main switch is turned on. • When the IOB does not receive an OK signal from a peripheral 100ms after sending a command to it. The IOB resends the command. The IOB does not receive an OK signal after sending the command 3 times.
Causes:• Cable problems • IOB problems • BICU problems • PSU problems in the machine • Main board problems in the peripherals

Code: 623
Description:2nd Paper Bank communication error
This SC is not issued for this machine. When a communication error signal between the 1st paper bank and 2nd paper bank is received.
Causes:• Loose connector

Code: 632
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 • Make sure that SP5113 is set to enable the optional counter device.

Code: 633
Description:Counter device error 2
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 • Make sure that SP5113 is set to enable the optional counter device.