BẢNG MÃ LỖI RICOH MP4000, MP4000B, MP 5000, MP 5000B, MP4001, MP 5001

 

BẢNG MÃ LỖI RICOH MP4000, MP4000B, MP 5000, MP 5000B, MP4001, MP 5001

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MỘT SỐ LỖI THƯỜNG GẶP CỦA MÁY RICOH MP 4000/4000B, MP 5000/5000B
MP 4001, MP 5001.
CODE NGUYÊN NHÂN KHẮC PHỤC
101 Exposure lamp error
-001: Shading at AGC 
-002: Shading at scanning 
• The standard white level was not detected properly when scanning the white plate
• Exposure lamp defective • Lamp stabilizer defective • Exposure lamp connector defective • Standard white plate dirty • Scanner mirror or scanner lens out of position or dirty • SBU defective
120 Scanner home position error 1
The scanner home position sensor does not detect the “OFF” condition during initialization or copying.
SIB or scanner drive motor defective • Scanner motor defective • Harness between SIB and scanner drive motor disconnected • Harness between SIB and scanner drive motor power source disconnected • Scanner HP sensor defective • Harness between SIB and HP sensor disconnected • Scanner wire, timing belt, pulley, or carriage defective
121 Scanner home position error 2
The scanner home position sensor does not detect the “ON” condition during initialization or copying.
• SIB or scanner motor drive board defective • Scanner motor defective • Harness between SIB and scanner drive motor disconnected • Harness between SIB and scanner drive motor power source disconnected • Scanner HP sensor defective • Harness between SIB and scanner HP sensor disconnected • Scanner wire, timing belt, pulley, or carriage defective
141 Black level detection error
The black level cannot be adjusted within the target value during the zero clamp.
• Defective SBU
142 White level detection error
The white level cannot be adjusted within the target during auto gain control.
• Dirty exposure glass or optics section • SBU board defective • Exposure lamp defective • Lamp stabilizer defective
143 SBU auto adjust error
One of the following occurred: 
• When the machine was powered on, automatic adjustment of the SBU failed. 
• Automatic white density adjustment failed when reading standard white plate.
• Exposure lamp defective • Lamp stabilizer defective • Lamp stabilizer connection loose, disconnected or damaged • White plate mounting is incorrect or defective • Scanner mirror or scanner lens out of position or dirty • SBU, SCNB defective • BICU (Ri10) defective • Harness connections
144-001 SBU connection error
The SBU connection cannot be detected at power on or recovery from the energy save mode.
• Defective SBU • Defective harness • Defective detection port on the BICU
144-002 SBU serial communication error
The power ON of the SBU is not detected.
• Defective SIO, SBU or SCNB • Defective harness • Defective detection port on the BICU
144-003 GASBU reset error
The serial communication does not work.
• Defective SBU • Defective detection circuit on the BICU • Defective harness
144-004 VERSION error
The serial communication does not work.
• Defective SBU • Defective detection circuit on the BICU • Defective harness
145 Scanner adjustment error
During the SBU adjustment, the machine detects that the white level read from the white plate or paper is out of range. (SP4015)
• Exposure lamp defective • Dirty white plate • Incorrect position or width of white plate scanning (SP4015) • BICU board defective • SBU board defective
161 IPU error
The error result of self-diagnostic by the ASIC on the IPU is detected.
• Defective IPU • Defective connection between IPU and SBU
165 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 to "ON" with the initial setting.
• Incorrect installation of the copy data security board • Defective copy data security board
202 Polygon motor error 1: ON timeout
The polygon mirror motor does not reach the targeted operating speed within 10 sec. after turning on or changing speed
 
203 Polygon motor error 2: OFF timeout
The polygon mirror motor does not leave the READY status within 3 sec. after the polygon motor switched off.
 
204 Polygon motor error 3: XSCRDY signal error
The SCRDY_N signal remains HIGH for 200 ms while the LD unit is firing.
• Polygon motor/driver board harness loose or broken • Polygon motor/driver board defective • Laser optics unit defective • IPU defective
220 Laser synchronizing detection error: start position LD0
The laser synchronizing detection signal for the start position of the LDB is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally
• The Copy Data Security Unit card not installed • The Copy Data Security Unit card is installed, but it is not the correct type for the machine.
221 Laser synchronizing detection error: start position LD1
The laser synchronizing detection signal for the start position of the LDB is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally.
• The Copy Data Security Unit card not installed • The Copy Data Security Unit card is installed, but it is not the correct type for the machine.
230 FGATE ON error
The FGATE signal does not assert within the prescribed time. (The BICU generates the FGATE signal and sends it to the LD unit when the registration sensor switches on.)
 
231 FGATE OFF error
The FGATE signal does not assert within the prescribed time. (The BICU generates the FGATE signal and sends it to the LD unit when the registration sensor switches on.)
• BICU defective • BICU, Controller board harness loose or broken • Controller board defective.
240 LD errorThe IPU detected a problem at the LD unit. • Worn-out LD • Disconnected or broken harness of the LD.
26 Shift jogger motor 1 error
The side fence does not retract within the prescribed time after the shift jogger motor 1 switches on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Shift jogger motor 1 disconnected, defective • Shift jogger motor 1 overloaded due to obstruction • Shift jogger 1 HP sensor disconnected, defective
302 Charge roller bias leak
A charge roller bias leak signal was detected.
• Charge roller damaged • High voltage supply board defective • PCDU harness defective or disconnected
304 Charge roller bias correction leak
The charge roller bias correction is performed twice even if the maximum charge roller bias (-2000V) is applied to the roller.
• ID sensor defective • Worn charge roller • Charge roller damaged
320 Development roller bias leak
The maximum PMW duty (65%) is detected for 60 ms after the high voltage has been supplied to the development unit.
• Development bias leak • Broken harness • Defective high voltage power supply, voltage supply • Defective high voltage supply unit
324 Development paddle motor errorThe machine detects a lock signal error from the development puddle motor for 2 seconds after the drum motor has turned on. • Overload on the development puddle motor • Defective development puddle motor • Defective harness • Defective IOB
350 ID sensor pattern test error
One of the following readings occurred 10 times in the ID sensor output when the ID sensor pattern was checked:
1) Vsp > 2.5V
2) Vsg < 2.5V
3) Vsp =0V
4) Vsg = 0V
• ID sensor connector defective • Poor ID sensor connector connection • I/O board (IOB) defective • Poor writing of ID sensor pattern on the drum • High voltage supply board defective
351 ID sensor Vsg test error
When the ID sensor was checked, the ID sensor output voltage is 5.0V while the LED current value is 0.
• ID sensor defective or dirty • ID sensor connector defective • Poor ID sensor connection • I/O board (IOB) defective • Scanning system defective • High voltage supply board defective • Defect at the ID sensor pattern writing area of the drum
355 Grayscale measurement error
When the grayscale control result is the maximum and it does not operate correctly and these cases are detected 15 times.
• ID sensor defective or dirty • The life of ID sensor or photo conductor • Shield glass dirty
360 TD sensor (Vt) error 1
The following condition occurs thirty times consecutively during printing. Vt is less than 0.5V or 4.8V or more
• TD sensor disconnected • Harness between TD sensor and PCDU defective • Defective TD sensor.
372 TD sensor adjustment error
Vts is less than 1.8V or 4.8V or more during TD sensor initialization.
• Heat seal not removed from a new developer pack • TD harness sensor disconnected, loose or defective • TD sensor defective • Harness between TD sensor and drawer disconnected, defective
396 Drum motor error
The machine detects a lock signal error from the drum motor for 2 seconds after the drum motor turned on.
• Overload on the motor • Defective drum motor • Defective harness • Defective IOB
400 Vsg adjustment error
Vsg is more than 4.2V or 3.8V or less when the machine adjusts Vsg value.
• Dirty or defective ID sensor • Defective ID sensor shutter
440 Transfer belt bias error
The feed back bias from the transfer belt is more than 4V for 60 msec while the transfer belt bias is output. The A/D conversion level is 20 or less for 60 msec. The PWM duty is 24% or more for 60 msec.
• Power pack broken • Defective harness • Disconnected connector
441 Transfer/Development motor errorThe machine detects a lock signal error from the transfer/development motor for 2 seconds after the transfer/development motor turned on. • Overload on the motor • Defective transfer/development motor • Defective harness • Defective IOB
442 Transfer belt contact motor error
The transfer belt HP sensor detects incorrect movement of the transfer belt after the transfer belt contact motor has turned on.
• Dirty transfer belt HP sensor • Defective transfer belt contact motor • Disconnected connector of the transfer belt HP sensor or motor • Disconnected cable • Defective IOB
501 1st tray lift malfunctionThe tray lift sensor is not activated after the tray lift motor has been on for 10 seconds. If the main power switch is turned on when the paper is already at the feed height, the paper height position is detected again. At this time, the tray lift sensor should de-activate within 1.5 sec after the paper bottom plate starts to drop. If it does not deactivate within 1.5 sec., a message will prompt the user to reset Tray 1. After two attempts to release the error by re-setting the paper tray, if this does not solve the problem then this SC is displayed. • An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Tray lift sensor connection loose, disconnected, or damaged • Tray lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
502 2nd tray lift malfunction
The tray lift sensor is not activated after the tray lift motor has been on for 10 seconds. If the main power switch is turned on when the paper is already at the feed height, the paper height position is detected again. At this time, the tray lift sensor should de-activate within 1.5 sec. after the paper bottom plate starts to drop. If it does not deactivate within 1.5 sec., a message will prompt the user to reset Tray 2. After two attempts to re-set the paper tray, if this does not solve the problem then this SC is displayed.
• An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Tray lift sensor connection loose, disconnected, or damaged • Tray lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
503-1 3rd tray lift malfunction (optional paper feed unit or LCT)
For the paper feed unit: • SC 503-01 occurs if the lift sensor does not turn on within 10 seconds after the tray lift motor has turned on.
For the LCT: • SC 503-01 occurs if the lift sensor does not turn on or turn off within 8 seconds after the tray lift motor has turned on to lift or lower the tray.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
• An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Tray lift sensor connection loose, disconnected, or damaged • Tray lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
503-2 3rd tray lift malfunction (optional paper feed unit or LCT)
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 its 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 moto
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
504-1 4th tray lift malfunction (optional paper feed unit)
For the paper feed unit:
• When the tray lift motor turns on, the upper limit is not detected within 10 seconds. If this condition occurs three consecutive times, the SC is generated.
For the paper feed unit:• Defective tray lift motor or connector disconnection • Defective lift sensor or connector disconnection
504-2 4th tray lift malfunction (optional paper feed unit)
For the paper feed unit: When the tray lift motor is turned on, the upper limit is not detected within 10 seconds. If this condition occurs three consecutive times, the SC is generated.
• Defective tray lift motor or connector disconnection • Defective lift sensor or connector disconnection
505-1 5th tray lift malfunction (optional LCT)
This SC is generated if the following condition occurs: • When the tray lift sensor of the LCT 1200-sheet does not go on after the tray lift motor has turned on to lift the paper tray. • When the tray lift sensor of the LCT 1200-sheet does not go off after the tray lift motor has turned on to lower the paper tray. • When the tray lift sensor of the LCT 1200-sheet does not go on after the pick-up roller solenoid has turned on at power on.
• Tray lift motor defective or disconnected • Tray lift sensor defective or disconnected
505-2 5th tray lift malfunction (optional LCT)
Both tray lift sensor and lower limit sensor are turned on at the same time when the main power is turned on or the right door is closed.
• Tray lift motor defective or disconnected • Tray lift sensor defective or disconnected • Lowe limit sensor defective or disconnected
530 Fusing exhaust fan motor errorThe IOB does not receive the lock signal for10 seconds after turning on the fusing exhaust fan. • Defective fusing exhaust fan motor or connector disconnection • Defective IOB • Disconnected harness
531 Exhaust fan motor error
The IOB does not receive the lock signal for 10 seconds after turning on the exhaust fan motor.
• Defective exhaust fan motor or connector disconnection. • Defective IOB • Disconnected harness
532 Cooling fan motor error
The machine does not detect the fan motor lock signal for 10 seconds after turning on the cooling fan motor.
• Defective cooling fan motor or connector disconnection. • Disconnected harness • Defective IOB
533 Paper exit cooling fan motor error
The machine does not detect the fan motor lock signal for 10 seconds after turning on the paper exit cooling fan motor.
• Defective paper exit cooling fan motor or connector disconnection. • Defective IOB • Disconnected harness
540 Fusing motor error
The IOB does not receive the lock signal for 2 seconds after turning on the fusing motor.
• Motor overload • Defective fusing motor or connector disconnection. • Defective IOB • Disconnected harness
541 Fusing thermistor open (center)The thermistor (center) detects 0°C or less for 5 sec. • Fusing thermistor disconnected • Fusing thermistor connector defective
542 Fusing temperature warm-up error(center)
This SC is generated if the following condition occurs:
• The thermistor (center) does not detect an 8°C increment in the fusing temperature for 7.5 sec. just after the fusing temperature reached 45 °C.
• The temperature of the center thermistor does not reach the target temperature for 28 seconds after the fusing lamps turned on.
• Thermistor warped or broken
543 Fusing overheat error 1 (software detection)
A fusing temperature (at the center) of over 230 °C (446 °F) is detected for 1 second by the fusing thermistors at the center or at either end of the fusing roller.
• Power supply unit defective • I/O board (IOB) defective • BICU defective • TRIAC short on PSU (PSU defective)
544 Fusing overheat error 1 (hardware detection)
A fusing temperature (at the center) over 250 °C is detected by the fusing temperature monitor circuit in the BICU board.
• I/O board (IOB) defective • BICU defective
545 Fusing lamp consecutive full power 1
After warm-up the fusing lamp remains at full power for 15 seconds without the hot roller rotating.
• Disconnected or defective thermistors (center) • Defective fusing lamp
547 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 2 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 less than 45.
• Defective fusing lamp relay • Defective fusing lamp relay circuit • Unstable power supply
551 Fusing thermistor open (end)
The thermistor (end) detects 0°C or less for 5 sec.
• Fusing thermistor (end) disconnected • Fusing thermistor (end) connector defective
552 Fusing temperature warm-up error (end)
This SC is generated if the following condition occurs:
• The thermistor (end) does not detect an 8°C increment in the fusing temperature for 7.5 sec. just after the fusing temperature reached 45 °C.
• The temperature of the end thermistor does not reach the target temperature for 31 seconds after the fusing lamps turned on.
• Thermistor warped or broken
553 Fusing overheat error 1 (software detection)
A fusing temperature (at the end) of over 230 °C (446 °F) is detected for 1 second by the fusing thermistors at the center or at either end of the fusing roller.
• Power supply unit defective • I/O board (IOB) defective • BICU defective • TRIAC short on PSU (PSU defective)
554 Fusing overheat error 1 (hardware detection)
A fusing temperature (at the end) over 250 °C is detected by the fusing temperature monitor circuit in the BICU board.
• I/O board (IOB) defective • BICU defective
555 Fusing lamp consecutive full power 1
After warm-up, the fusing lamp remains at full power for 15 seconds without the hot roller rotating.
• Disconnected or defective thermistors (ends) • Defective fusing lamp
557 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.
• Noise (High frequency)
559 Fusing unit jam
The fusing sensor detected a fusing unit paper late jam three times. The paper was late and the fusing exit sensor could not detect the paper three times.
• Remove the paper that is stopped in the fusing unit. • Check that the fusing unit is clean and has no obstacles in the paper feed path. • If the error persists, replace the fusing unit.
610 Mechanical counter error: BK
This SC is only for NA models. The machine detects the mechanical counter error when SP5987-001 is set to "1".
• Disconnected mechanical counter • Defective mechanical counter
620 Communication error between IOB and ADF
After the ARDF is detected, the break signal occurs or communication timeout occurs.
• Incorrect installation of ARDF • ARDF defective • IOB board defective • External noise
621 Communication timeout error between IOB and finisher or mailbox
A break (low) signal is received from the finisher or the mailbox.
• Disconnected cable • Defective IOB • Defective main board in the peripherals
622 Paper feed unit communication error
While the IOB communicates with a peripheral, an SC code is displayed if one of following conditions occurs. • The IOB receives the break signal which is generated by the peripheral only just after the main switch is turned on. • The IOB receives the break signal which is generated by URAT.
• Defective main control board of the peripheral • Defective BICU or IOB • Disconnected peripheral
623 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.
• Loose connector
630 CSS communication error
A communication error occurred during communication with the CSS.
• Communication line error
632 MF accounting device error 1
The controller sends data to the accounting device, but the device does not respond. This occurs three times.
• Loose connection between the controller and the accounting device
633 MF accounting device error 2
After communication is established, the controller receives the brake signal from the accounting device.
• Loose connection between the controller and the accounting device
634 MF accounting device error 3
The accounting device sends the controller the report that indicates a backup RAM error has occurred.
• Defective controller of the MF accounting device • Battery error
635 MF accounting device error 4
The accounting device sends the controller the report that indicates the battery voltage error has occurred.
• Defective controller of the MF accounting device • Battery error
636-01 IC Card Error: External authentication module error
This SC is generated if the external authentication is enabled and following condition occurs: • No external authentication module • SD card error or external authentication module broken • No DESS module
 
636-02 IC Card Error: Version error
The version of the external authentication module is not correct.
• Incorrect module version
636-99 IC Card Error: Management area error
The management number of the external authentication module exceeds the maximum limit.
• Software error
641 BICU communication error
The BICU does not respond to the frame transmitted from the controller.
• Defective controller • Detective BICU
650-001 Communication error of the remote service modem (Embedded RCG-M): Authentication error
The authentication for the Embedded RCG-M fails at a dial up connection.
• Incorrect SP settings • Disconnected telephone line • Disconnected modem board Check and set the correct user name (SP5816-156) and password (SP5816-157).
650-004 Communication error of the remote service modem (Embedded RCG-M): Incorrect modem setting
Dial up fails due to the incorrect modem setting.
• Same as -001 Check and set the correct AT command (SP5816-160).
650-005 Communication error of the remote service modem (Embedded RCG-M): Communication line error
The supplied voltage is not sufficient due to a defective communication line or defective connection.
• Same as -001 Consult with the user's local telephone company.
650-011 Communication error of the remote service modem (Embedded RCG-M): Incorrect network setting
Both the NIC and Embedded RCG-M are activated at the same time.
• Same as -001 Disable the NIC with SP5985-1.
650-012 Communication error of the remote service modem (Embedded RCG-M): Modem board error
The modem board does not work properly even though the setting of the modem board is installed with a dial up connection.
• Same as -001 1. Install the modem board. 2. Check and reset the modem board setting with SP5816. 3. Replace the modem board.
651-001 Incorrect dial up connection: Program parameter error
An unexpected error occurs when the modem (Embedded RCG-M) tries to call the center with a dial up connection.
• Caused by a software bug
651-002 Incorrect dial up connection: Program execution error
An unexpected error occurs when the modem (Embedded RCG-M) tries to call the center with a dial up connection.
• Caused by a software bug
669 EEPROM error
Retry of EEPROM communication fails three times after the machine has detected the EEPROM error.
• Caused by noise
670 Engine startup error
The BICU fails to respond with the prescribed time when the machine is turned on.
• Connections between BICU and controller board are loose, disconnected, or damaged 1. Replace the BICU 2. Replace the controller board
671 BICU error
The model code from the BICU is not correct when the machine is turned on.
Install the correct BICU for this model.
672 Controller-to-operation panel communication error at startup
• After the machine is powered on, the communication between the controller and the operation panel is not established, or communication with controller is interrupted after a normal startup. • After startup reset of the operation panel, the attention code or the attention acknowledge code is not sent from the controller within 15 seconds. • After the controller issues a command to check the communication line with the controller at 30-second intervals, the controller fails to respond twice.
• Controller stalled • Controller board installed incorrectly • Controller board defective • Operation panel connector loose or defective • The controller is not completely shutdown when you turn the main switch off. Check the setting of SP5875-001. If the setting is set to "1 (OFF)", change it to "0 (ON)".
687 Memory address (PER) command error
The BICU does not receive a memory address command from the controller for the prescribed time after the paper has reached the registration sensor.
• Harness Disconnection at BICU • Controller board loose or broken • Defective BICU • Defective Controller Board
700 Original stopper HP errorWhen the pick-up motor turns on clockwise, the original stopper HP sensor does not detect the home position of the original stopper. • Defective original stopper HP sensor • Defective pick-up motor • Defective DF drive board
701 Pick-up roller HP error
When the pick-up motor turns on counterclockwise, the pick-up roller HP sensor does not detect the home position of the pick-up roller.
• Defective pick-up roller HP sensor • Defective pick-up motor • Defective DF drive board
721 Finisher jogger motor error
The jogger fences move out of the home position but the HP sensor output does not change within the specified number of pulses. The 1st failure issues an original jam message, and the 2nd failure issues this SC code.
• Jogger HP sensor disconnected, defective • Jogger motor disconnected, defective • Jogger motor overloaded due to obstruction • Finisher main board and jogger motor
723 Stack feed-out motor error
• The stack feed-out HP sensor does not detect the home position of the stack feed-out belt 3000ms after the stack feed-out belt has moved to its home position. • The stack feed-out HP sensor does not turn off 200 ms after the stack feed-out belt has moved from its home position. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Defective stack feed-out HP sensor • Overload on the stack feed-out motor • Defective stack feed-out motor
• Defective main board • Disconnected or defective harness
725 Finisher exit guide plate motor error
After moving away from the guide plate position sensor, the exit guide is not detected at the home position within the prescribed time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Guide plate motor disconnected, defective • Guide plate motor overloaded due to obstruction • Guide plate position sensor disconnected, defective
727 Shift jogger motor 2 error
The side fence does not retract within the prescribed time after the shift jogger motor 2 switches on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Shift jogger motor 2 disconnected, defective • Shift jogger motor 2 overloaded due to obstruction • Shift jogger 2 HP sensor disconnected, defective
728 Shift jogger retraction motor error
The side fences do not retract within the prescribed time after the retraction motor switches on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Shift jogger retraction motor broken • Shift jogger retraction motor connection loose • Shift jogger retraction motor overloaded • Defective shift jogger retraction HP sensor
730 Finisher Tray 1 shift motor error
The shift roller HP sensor of the upper tray does not activate within the prescribed time after the shift tray starts to move toward or away from the home position. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Shift tray HP sensor of the upper tray disconnected, defective • Shift tray motor of the upper tray disconnected, defective • Shift tray motor of the upper tray overloaded due to obstruction
740 Finisher corner stapler motor error
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code. For the 2000/3000-sheet (booklet) finisher • Staple movement is not finished after a certain time. For the 1000-sheet finisher • The stapler motor does not switch off within the prescribed time after operating. • The HP sensor of the staple unit does not detect the home position after the staple unit moves to its home position. • The HP sensor of the staple unit detects the home position after the staple unit moves from its home position.
• Staple jam • Motor overload • Defective stapler motor
741 Finisher corner stapler rotation motor error
The stapler does not return to its home position within the specified time after stapling. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Defective stapler rotation motor • Overload to the stapler rotation motor • Defective stapler rotation HP sensor
742 Finisher stapler movement motor error
Staple movement is not finished within a certain time. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Motor overload • Loose connection of the stapler home position sensor • Loose connection of the stapler movement motor • Defective stapler home position sensor • Defective stapler movement motor
743 Booklet stapler motor error 1
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code. For the 2000-sheet booklet finisher The front stapler unit saddle-stitch motor does not start operation within the specified time.
• Motor overload • Loose connection of the front stapler motor • Defective front stapler motor
744 Booklet staple motor error 2
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code. For the 2000-sheet booklet finisher The rear stapler unit saddle-stitch motor does not start operation within the specified time.
• Motor overload • Loose connection of the rear stapler motor • Defective rear stapler motor
750 1000/2000/3000-sheet (booklet) finisher: Tray lift motor error
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code. The upper tray paper height sensor does not change its status with the specified time after the tray raises or lowers.
 
753 Return roller motor error
This occurs during the operation of the lower tray pressure motor
• Motor harness disconnected, loose, defective • Motor overloaded • Home position sensor harness disconnected, loose, defective • Home position defective
760 Finisher punch motor error
The punch HP sensor is not activated within the specified time after the punch motor turned on. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Punch HP sensor disconnected, defective • Punch motor disconnected or defective • Punch motor overload due to obstruction
761 Finisher folder plate motor error
The folder plate moves but is not detected at the home position within the specified time. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Folder plate HP sensor disconnected, defective • Folder plate motor disconnected, defective • Folder plate motor overloaded due to obstruction.
763 Punch movement motor error
The punch unit moves but is not detected at the home position within the specified time. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Motor harness disconnected, loose, defective • Defective motor
764 Paper position sensor slide motor error
The paper position sensor moves but is not detected at the home position within the specified time. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Motor harness disconnected, loose, defective • Defective motor
765 Folding unit bottom fence lift motor
The folding unit bottom fence movement is not finished within a certain time. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Motor harness loose, broken • Motor drive obstructed • Motor defective
766 Clamp roller retraction motor error
The clamp roller movement is not finished within a certain time. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Motor harness loose, broken • Motor drive obstructed • Motor defective
767 Stack junction gate motor error
The stack junction gate motor moves but the stack junction gate is not detected at its position within a specific time. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Motor broken • Motor connection loose • Motor overloaded
770 Shift motor error
The shift motor HP sensor does not detect any change for 1.86 seconds after the shift motor has turned on at power on or during its operation.
• Defective shift motor • Defective shift motor HP sensor
791 Bridge unit error
The machine recognizes the finisher, but does not recognize the bridge unit.
• Defective connector • Broken harness
792 Finisher error
The machine does not recognize the finisher, but recognizes the bridge unit.
• Defective connector • Defective harness • Incorrect installation
816 Energy save I/O sub-system error
Energy saver sub-system detects an error.
• Defective controller board
817 Monitor Error
This is a file detection and electronic file signature check error when the boot loader attempts to read the self-diagnostic module, system kernel, or root system files from the OS Flash ROM, or the items on the SD card in the controller slot are false or corrupted.
• OS Flash ROM data defective; change the controller firmware • SD card data defective; use another SD card
819 Fatal kernel error
Due to a control error, a RAM overflow occurred during system processing. One of the following messages was displayed on the operation panel.
• System program defective • Controller board defective
• Optional board defective • Replace controller firmware
820 Self-diagnostics error: CPU [XXXX]: Detailed error code
CPU error
• System firmware problem • Defective controller
821 Self-diagnostics error: ASIC  
822 Self-diagnostic error: HDD
• HDD device busy for over 31 s. • After a diagnostic command is set for the HDD, but the device remains busy for over 6 s.
• HDD defective • HDD harness disconnected, defective • Controller board defective
824 Self-diagnostic error : NVRAM
NVRAM device does not exist, NVRAM device is damaged, or NVRAM socket damaged.
• NVRAM defective • Controller board defective • NVRAM backup battery exhausted • NVRAM socket damaged
826 Self-diagnostic Error: RTC/optional NVRAM  
828 Self-diagnostic error: ROM [XXXX]: Detailed error code  
829 Self-diagnostic error: Optional RAM [XXXX]: Detailed error code  
835 Self-diagnostic error: Centronic device  
838 Self-diagnostic Error: Clock Generator  
839 USB NAND Flash ROM error  
851 IEEE 1394 I/F error
Driver setting incorrect and cannot be used by the 1394 I/F.
Not supported by this machine • NIB (PHY), LINK module defective; change the Interface Board • Controller board defective
853 Wireless LAN Error 1
During machine start-up, the machine can get access to the board that holds the wireless LAN, but not to the wireless LAN card (Bluetooth).
• Wireless LAN card missing (was removed)
854 Wireless LAN Error 2
During machine operation, the machine can get access to the board that holds the wireless LAN, but not to the wireless LAN card (Bluetooth).
• Wireless LAN card missing (was removed)
855 Wireless LAN error 3
An error is detected on the wireless LAN card (802.11a/g, g or Bluetooth).
• Wireless LAN card defective • Wireless LAN card connection incorrect
856 Wireless LAN error 4
An error was detected on the wireless LAN card (Bluetooth).
• Wireless LAN card defective • PCI connector (to the mother board) loose
857 USB I/F Error
The USB driver is not stable and caused an error.
• Bad USB card connection Replace the controller board
858 HDD Encryption unit error 1
A serious error occurs when data is encrypted to update an encryption key with the HDD encryption unit.
 
859 HDD Encryption unit error 2
A serious error occurs when the HDD data is encrypted to update an encryption key with the HDD encryption unit.
 
860 HDD startup error at main power on
• HDD is connected but a driver error is detected. • The driver does not respond with the HDD within 30 s.
• HDD is not initialized • Label data is corrupted • Defective HDD Initialize the HDD with SP5832-001.
861 HDD re-try failure
At power on, the HDD is detected. Power supply to the HDD is interrupted after the system has entered the energy save mode, but after the HDD has been awakened from the energy save mode, it does not return to the ready status within 30 sec.
• Harness between HDD and controller board disconnected, defective • HDD power connector disconnected • HDD defective • Controller board defective
862 Bad sector number error
The number of bad sectors in the HDD (image data area) goes over 101.
• Defective HDD
863 HDD data read failure
The data written to the HDD cannot be read normally, due to bad sectors generated during operation.
• HDD defective Note: If the bad sectors are generated at the image partition, the bad sector information is written to NVRAM, and the next time the HDD is accessed, these bad sectors will not be accessed for read/write operation.
864 HDD data CRC error
During HDD operation, the HDD cannot respond to a CRC error query. Data transfer does not execute normally while data is being written to the HDD.
• HDD defective
865 HDD access error
HDD responded to an error during operation for a condition other than those for SC863, 864.
• HDD defective.
866 SD card error 1: Confirmation
The machine detects an electronic license error in the application on the SD card in the controller slot immediately after the machine is turned on. The program on the SD card contains electronic confirmation license data. If the program does not contain this license data, or if the result of the check shows that the license data in the program on the SD card is incorrect, then the checked program cannot execute and this SC code is displayed.
• Program missing from the SD card • Download the correct program for the machine to the SD card
867 SD card error 2: SD card removed
The SD card in the slot is removed while the machine is on.
Insert the SD card, then turn the machine off and on.
868 SD card error 3: SC card access
An error occurs while an SD card is used.
• SD card not inserted correctly • SD card defective • Controller board defective Note: If you want to try to reformat the SC card, use SD Formatter Ver 1.1.
870 Address book data error
The address book data cannot be read from the HDD, SD card or flash ROM on the controller where it is stored, or the data read from the media is defective.
• Software defective: Turn the machine off/on. If this is not the solution for the problem, then replace the controller firmware. • HDD defective. • Do SP5846-046 (Initialize All Setting & Addr Book) to reset all address book data. • Reset the user information with SP5832-006 (HDD Formatting– User Information). • Replace the HDDs.
872 HDD mail receive data error
• The machine detects that the HDD is not operating correctly at power on. • The machine detects that the HDD is not operating correctly (can neither read nor write) while processing incoming email.
• HDD defective • The machine is turned off while the HDD is being accessed. Do SP5832-007 to format the mail RX data on the HDD.
873 HDD mail send data error
An error is detected on the HDD immediately after the machine has been turned on, or power has been turned off while the machine has used the HDD.
1. Do SP5832-008 (Format HDD – Mail TX Data) to initialize the HDD. 2. Replace the HDD
874 Delete All error 1: HDD
A data error is detected for the HDD/NVRAM after the Delete All option has been used. Note: The source of this error is the DataOverwriteSecurity Unit (D362) running from an SD card.
1. Turn the main switch off/on and try the operation again. 2. Install the DataOverwriteSecurity Unit again. For more, see “Installation”. 3. HDD defective
875 Delete All error 2: Data area
An error occurs while the machine deletes data from the HDD. Note: The source of this error is the DataOverwriteSecurity Unit (D362) running from an SD card.
Turn the main switch off/on and try the operation again
876 Log Data Error
An error is detected in the handling of the log data at power on or during machine operation. This can be caused by switching the machine off while it is operating.
 
877 HDD DataOverwriteSecurity SD card error
The 'all delete' function cannot be executed but the DataOverwriteSecurity Unit (D362) is installed and activated.
• Defective SD card (D362) • SD card (D362) not installed
878 TPM system authentication error
The system firmware is not authenticated by TPM (security chip).
• Incorrect updating for the system firmware • Defective flash ROM on the controller board Replace the controller board.
880 File Format Converter (MLB) error
A request to get access to the MLB is not answered within the specified time.
• MLB defective, replace the MLB
900 Electrical total counter error
The total counter contains something that is not a number
• NVRAM incorrect type • NVRAM defective • NVRAM data scrambled • Unexpected error from external source
920 Printer error 1
An internal application error was detected and operation cannot continue.
• Software defective; turn the machine off/on, or change the controller firmware • Insufficient memory
921 Printer font error
A necessary font is not found in the SD card.
• A necessary font is not found in the SD card. • The SD card data is corrupted.
925 Net File function error
The NetFile file management on the HDD cannot be used, or a NetFile management file is corrupted and operation cannot continue. The HDDs are defective and they cannot be debugged or partitioned, so the Scan Router functions (delivery of received faxes, document capture, etc.), Web services, and other network functions cannot be used. HDD status codes are displayed below the SC code.
• Refer to the four procedures below (Recovery from SC 925).
990 Software error 1
The software performs an unexpected function and the program cannot continue.
• Software defective, re-boot
991 Software error 2
The software performs an unexpected function. However, unlike SC990, recovery processing allows the program to continue.
• Software defective, re-boot
992 Undefined error
Defective software program
• An error undetectable by any other SC code occurred
994 Application Item Error
The number of executed application items on the operation panel reach the maximum limit for the operation panel structure.
• Too much executed application items
995 Controller Board Mismatch
The information on the controller board does not match that of the machine
• Wrong controller board installed
997 Software Error 3: Cannot select application function
An application does not start after the user pushed the correct key on the operation panel.
• Software bug • A RAM or DIMM option necessary for the application is not installed or not installed correctly.
998 Software Error 4: Application cannot start
Register processing does not operate for an application within 60 s after the machine power is turned on. No applications start correctly, and all end abnormally.
• Software bug • A RAM or DIMM option necessary for the application is not installed or not installed correctly.
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