SERVICE CODE RICOH MP 3351

Code			Description	Causes
101-1			Exposure lamp error 1 The standard white level could not be set properly when scanning the white plate during automatic white level adjustment.	• White plate dirty • Spurious electrical noise on power supply line • Exposure lamp connection loose, broken, defective • Exposure lamp defective • Lamp stabilizer connection, loose, broken, defective • Lamp stabilizer defective • High voltage power supply harness loose, broken, defective • SBU defective • BCU defective • SIO defective
101-2			Exposure lamp error 1 The standard white level setting dropped below the specified range during scanning.	• White plate dirty • Spurious electrical noise on power supply line • Exposure lamp connection loose, broken, defective • Exposure lamp defective • Lamp stabilizer connection, loose, broken, defective • Lamp stabilizer defective • High voltage power supply harness loose, broken, defective • SBU defective • BCU defective • SIO defective
120			Scanner home position error 1 The scanner HP sensor did not turn off during scanner initialization or copying.	• Scanner motor harness loose, broken, defective at scanner motor or at BCU • Scanner HP sensor harness, loose, broken, defective at HP sensor or at BCU • Scanner motor or motor driver board defective • Scanner motor drive board defective • Scanner HP sensor defective • BCU defective
121			Scanner home position error 1 The scanner HP sensor did not turn on during scanner initialization or copying.	• Scanner motor harness loose, broken, defective at scanner motor or at BCU • Scanner HP sensor harness, loose, broken, defective at HP sensor or at BCU • Scanner motor or motor driver board defective • Scanner motor drive board defective • Scanner HP sensor defective • BCU defective
141			Black level correction error Black level correction could not be set properly during automatic adjustment.	• Harnesses at the SBU, IPU, BCU loose, broken, defective. • SBU defective • IPU defective • BCU defective
142			White level correction error White level correction could not be set properly during automatic adjustment.	• Harnesses at SBU, IPU, BCU loose, broken, defective • Spurious electrical noise on power supply line • White plate dirty or missing • Anti-condensation heater (option) in scanner unit not operating • Exposure lamp harness, loose, broken, defective • Exposure lamp defective • Lamp stabilizer harness loose, broken, defective • Lamp stabilizer defective • SBU defective • IPU defective • BCU defective • SIO Defective
143			SBU auto adjust error The machine could not acquire the white or black peak level setting at power on.	• Exposure lamp, lamp stabilizer harness connection loose, broken, defective • Exposure lamp defective • Lamp stabilizer defective • Spurious electrical noise on power supply line • White plate dirty or missing • Anti-condensation heater (option) in scanner unit not operating • Harness connection at SBU, iPU, BCU, SIO, loose, broken, defective • SBU defective • IPU defective • BCU defective • SIO Defective
144-1			SBU connection error Connection to the SBU could not be confirmed, possibly due to a defect in the BCU detection board	• Harness connection at IPU, BCU, SBU loose, broken, defective. • Spurious electrical noise on power supply line • IPU defective • BCU defective • SBU defective
144-2			SBU serial communication error Poor SBU power supply caused by SIO, or BCU detection board defective.	• Harness connection at IPU, BCU, SBU loose, broken, defective. • Spurious electrical noise on power supply line • IPU defective • BCU defective • SBU defective
144-3			SBU GASBU reset error SBU defective, BCU detection circuit defective.	• Harness connection at IPU, BCU, SBU loose, broken, defective. • Spurious electrical noise on power supply line • IPU defective • BCU defective • SBU defective
144-4			SBU version error SBU defective, BCU detection circuit defective.	• Harness connection at IPU, BCU, SBU loose, broken, defective. • Spurious electrical noise on power supply line • IPU defective • BCU defective • SBU defective
161			IPU Error The self-diagnostic test detected an error at the IPU at power on, or after the machine returned from energy save mode.	• Harness between SBU and IPU loose or broken • IPU defective • SBU defective
165			Copy Data Security Unit error An error occurred when the machine attempted to recognize the Copy Data Security Unit board.	• Check installation of Copy Data Security (CDS) Unit • CDS unit not correct type for the machine • CDS unit defective
202			Polygon motor error 1: ON timeout The polygon mirror motor did not reach the targeted operating speed within 10 sec. after turning on or changing speed	• Polygon motor/driver board harness loose or broken • Polygon motor/driver board defective • Laser optic unit defective • IPU defective
203			Polygon motor error 1: OFF timeout The polygon mirror motor did not leave READY status within 3 sec. after polygon motor switched off.	• Polygon motor/driver board harness loose or broken • Polygon motor/driver board defective • Laser optic unit defective • IPU defective
204			Polygon motor error 1: XSCRDY signal error The XSCRDY signal remained HIGH for 200 ms while the LD unit was firing.	• Polygon motor/driver board harness loose or broken • Polygon motor/driver board defective • Laser optic unit defective • IPU defective
220			Laser synchronization detection error: LD0 The laser synchronizing detection signal for the start position of the LD was not output for two sec. after LDB unit turned on with the polygon motor rotating normally.	• Laser synchronizing detection board harness loose or broken. • Laser synchronization detection board defective • LDB unit defective • IPU defective
230			FGATE ON error The FGATE signal did not assert within the prescribed time. (The BCU generates the FGATE signal and sends it to the LD unit when the registration sensor switches on.)	• BCU, Controller board harness loose or broken • BCU defective • Controller board defective
231			FGATE OFF error The FGATE signal did not go off within the prescribed time. (The BCU generates the FGATE signal and sends it to the LD unit when the registration sensor switches on.)	• BCU, Controller board harness loose or broken • BCU defective • Controller board defective
240			LD error The IPU detected a problem at the LD unit.	• LD unit harness broken, defective • BCU harness broken defective • LD unit defective • BCU defective
302			Charge level output error The PWM output level was detected higher than 50% after 10 consecutive samplings.	• HVPS (High Voltage Power Supply) board harness loose, broken. • PCU connection loose or broken
350			ID sensor calibration – Error 1 One of the following conditions occurred when the ID sensor pattern was calibrated during printing: Vsp > 2.5V Vsg < 2.5V Vsp = 0V Vsg = 0V	• ID sensor defective or dirty • ID sensor harness disconnected or connector is damaged • BCU defective • Scanning system or image creation system malfunction • High voltage power supply board (power pack) defective
351			ID sensor calibration – Error 2 The following conditions occurred simultaneously when the ID sensor pattern was calibrated during printing: Vsg = 5V PWM = 0 (LED current drop)	• ID sensor dirty or defective • ID sensor harness disconnected, or connector damaged • BCU board defective High voltage power supply board (power pack) defective
353			ID sensor LED current error Error occurred during automatic adjustment of Vsg: • Vsg output did not attain 4V, even with PWM = 1023 (maximum current for LED) • Vsg output was greater than 4V, even with PWM=1 (no current for the LED)	• ID sensor dirty or defective • ID sensor harness disconnected, or connector damaged • IOB defective • High voltage power supply board (power pack) defective • Scanning system or image creation system malfunction
354			ID sensor adjustment timeout error Error occurred during automatic adjustment of Vsg. Vsg could not be adjusted to 4.0V ±0.2V within the prescribed time.	• ID sensor dirty or defective • ID sensor harness disconnected, or connector damaged • BCU defective • High voltage power supply board (power pack) defective
355			ID sensor error For more details about the cause of the problem, please refer to SC350 to 354 above.	• ID sensor dirty or defective • ID sensor harness disconnected, or connector damaged • BCU defective • High voltage power supply board (power pack) defective
389			TD sensor error 1 TD sensor output was less than 0.5V, or more than 0.5V 10 times in succession. If the fax unit is installed, this SC is issued immediately. If the fax unit is not installed, this SC is issued after the prescribed number of copies has printed.	• TD sensor abnormal • Poor connection of the PCU
390			TD sensor error 2 The TD sensor outputs less than 0.5V or more than 4.0V 10 times consecutively during copying. Note: If the fax option is installed, this SC is issued immediately. If the fax option is not installed, this SC is issued after the prescribed number of pages is copied.	• TD sensor abnormal • Poor connection of the PCU
391			Development bias leak A development bias leak signal is detected.	• Poor connection at the PCU bias terminal • High voltage supply board defective
392			TD sensor initial setting error Initialization of the new PCU unit failed (the drum and development roller did not start rotating).	• The PCU toner seal was not removed • ID sensor harness loose, broken • TD sensor harness loose, broken • ID sensor defective • TD sensor defective
398			PCU error (South Korea only) Illegal PCU unit.	Install the correct type of PCU.
399			Illegal toner bottle (South Korea only) The installed toner bottle installed is not intended for use with this machine.	Install the correct type of toner bottle.
401			Transfer roller leak error 1 A transfer roller current leak signal wad detected. (The current feedback signal for the transfer roller was not detected within the correct time.)	• High voltage supply board set incorrectly or defective • Transfer roller set incorrectly or damaged • Transfer unit set incorrectly
402			Transfer roller leak error 2 A transfer roller current leak signal is detected. The current feedback signal for the transfer roller is not detected within the correct time.	• Transfer roller set incorrectly or damaged • High voltage supply board set incorrectly or defective
411			Separation bias leak error A separation bias leak signal was detected.	• High voltage supply board defective • Discharge plate defective
490			Toner supply motor leak error More than 1 ampere supplied to the toner supply motor for longer than 200 ms.	• Toner supply motor defective
500			Main motor lock The machine detected motor lock (motor is not operating correctly)	• An obstruction has blocked operation of the main motor • Main motor harness loose or broken • Main motor or main motor driver board defective
501			1st paper tray lift motor malfunction The paper lift sensor did not activate within 18 sec. after the tray lift motor switched on.	• An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Paper lift sensor connection loose, disconnected, or damaged • Paper lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
502			2nd paper tray lift motor malfunction The paper lift sensor did not activate within 18 sec. after the tray lift motor switched on.	• An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Paper lift sensor connection loose, disconnected, or damaged • Paper lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
503			3rd paper tray lift motor malfunction (optional Paper Tray Unit) The paper lift sensor did not activate within 18 sec. after the tray lift motor switched on.	• An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Paper lift sensor connection loose, disconnected, or damaged • Paper lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
504			4th paper tray lift motor malfunction (optional Paper Tray Unit) The paper lift sensor did not activate within 18 sec. after the tray lift motor switched on.	• An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Paper lift sensor connection loose, disconnected, or damaged • Paper lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
506			Paper tray motor lock (optional Paper Tray Unit) A motor lock signal is not detected for more than 1.5 s or the lock signal is not detected for more than 1.0 s during rotation.	• An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Paper tray motor connection loose, disconnected, or damaged • Paper tray motor defective
508			LCT rear fence drive error The return position sensor is not activated after the rear fence drive motor has been on to lower the tandem tray for 8 seconds.	• An obstruction (jammed paper, paper scraps, etc.) has jammed the rear fence or motor • Rear fence motor connection loose, disconnected, or damaged • Rear fence motor defective • Return position sensor connector loose, disconnected, or damaged • Return position sensor defective
509			LCT side fence drive error The side fence positioning sensor is not activated for more 3 seconds when the paper stack in the left tray is moved to the right tray. The side fence close sensor is not activated for more 3 seconds after moving the paper stack to the right tray.	• An obstruction (jammed paper, paper scraps, etc.) has jammed the rear fence or motor • Side fence motor disconnected or defective • Side fence position sensor disconnected or defective Side fence close sensor disconnected or defective
510			LCT lower limit error The lower limit sensor does not activate within 8 seconds after the tray has been lowered.	• An obstruction (jammed paper, paper scraps, etc.) has jammed the tray lift motor • Tray lift motor defective • Poor connection of the tray lift motor • Lower limit sensor disconnected or defective Obstruction that causes overload on the drive mechanism.
541			Fusing thermistor open (center) The temperature of the hot roller remained below 0C for 5 sec at the center of the hot roller.	• Fusing thermistor out of its position because of incorrect installation • Fusing thermistor disconnected or defective • Power supply not within rated range (15% or more below rating)
542			Fusing temperature warm-up error (center) The fusing temperature did not reach the standby temperature within 20 sec. at the center of the hot roller after the main switch turned on.	• Fusing thermistor defective or out of position • Fusing lamp disconnected • Thermistor defective • Fusing lamp defective
543			Fusing overheat error 1 (center) The fusing thermistor detected a fusing temperature over 230 °C for 5 sec. at the center of the hot roller.	• TRIAC short on PSU (PSU defective) • BCU board defective • Fusing thermistor defective
544			Fusing overheat error 2 (center) A fusing temperature over 250 °C is detected at the center of the hot roller by the fusing temperature monitor circuit in the BCU board. The power was interrupted for more than 0.3 sec.	• TRIAC short on PSU (PSU defective) • BCU board defective • Fusing thermistor defective • Power supply voltage unstable
545			Fusing overheat error 3 (center) After warmup, the center of the hot roller attained full operating temperature and maintained this temperature for 10 sec. without the hot roller rotating.	• Center hot roller thermistor installed incorrectly, disconnected. • Center hot roller thermistor defective
547			Zero cross signal detection error Zero cross signals were not detected within the prescribed time.	• PSU, BCU harness loose or broken • PSU defective • BCU defective
551			Fusing thermistor open (end) The temperature of the hot roller remained below 0C for 5 sec. at the end of the hot roller.	• Fusing thermistor out of its position because of incorrect installation • Fusing thermistor disconnected or defective • Power supply not within rated range (15% or more below rating)
552			Fusing temperature warm-up error (end) The fusing temperature did not reach the standby temperature within 20 sec. at the center of the hot roller after the main switch turned on.	• Fusing thermistor defective or out of position • Fusing lamp disconnected • Thermistor defective • Fusing lamp defective
553			Fusing overheat error 1 (end) The fusing thermistor detected a fusing temperature over 230 °C for 5 sec. at the center of the hot roller.	• TRIAC short on PSU (PSU defective) • BCU board defective • Fusing thermistor defective
554			Fusing overheat error 2 (end) A fusing temperature over 250 °C is detected at the center of the hot roller by the fusing temperature monitor circuit in the BCU board. The power was interrupted for more than 0.3 sec.	• TRIAC short on PSU (PSU defective) • BCU board defective • Fusing thermistor defective • Power supply voltage unstable
555			Fusing overheat error 3 (end) After warmup, the center of the hot roller attained full operating temperature and maintained this temperature for 10 sec. without the hot roller rotating.	• Center hot roller thermistor installed incorrectly, disconnected. • Center hot roller thermistor defective
557			Zero cross waveform signal error The waveform of the zero cross signal was detected out of range.	• Electrical noise on the power supply line
559			Consecutive fusing unit paper jams Three consecutive paper jams occurred in the fusing unit. The paper jam counter for the fusing unit reaches 3 times. The paper jam counter clears after the paper feeds correctly. Note: This SC is issued only if SP1159 is set to "1".	• Remove the paper jam in the fusing unit. • Make sure that the paper path in the fusing unit is clear.
590			Exhaust fan motor error The CPU detects an exhaust fan lock signal for more than 3.5 seconds.	• Poor connection of the exhaust fan motor • Too much load on the motor drive
620			Communication error between IPU and ADF A break occurred in the connection between the IPU and ADF	• ADF disconnected • ADF defective • IPU harness connection loose, broken • IPU defective • External noise
621			Communication timeout between BCU and finisher A break (LOW) signal was received from the finisher.	• Finisher serial cable connection loose, broken • BCU defective • Finisher main board defective • External noise
632			Key/card counter device error 1 After 1 data frame is sent to the device, an ACK signal is not received within 100 ms, and is not received after 3 retries.	• Serial line from the device to the main machine is unstable, disconnected, or defective
633			Key/card counter device error 2 During communication with the device, the MCU received a break (Low) signal.	• Serial line from the device to the main machine is unstable, disconnected, or defective
634			Key/card counter device error 3 The backup battery of the counter device RAM is low.	• RAM backup battery exhausted • Counter device defective
635			Key/card counter device error 4 After installation of the device a message alerts user to a battery voltage abnormal error.	• Device control board defective • Device control board backup battery defective
636			OSM User Code File Error The correct "usercode" file could not be found in the root folder of the SD card because the file is not present, or the existing file is corrupted or the wrong type file.	• Make sure the eccm.mod file is in the root folder of the SD card. Note: The usercode files are created with the User Setting Tool "IDissuer.exe".
641			Engine-Controller Communication Error: Non-Response There was no response to a frame sent from the controller board to the engine.	• Turn the machine power off/ on.
650			Communication error of the remote service modem (Cumin-M)
651			Incorrect dial up connection
669			EEPROM Communication Error The machine failed to detect a match between the read/write data for the EEPROM on the BCU after 3 attempts.	• EEPROM installed incorrectly • EEPROM defective. Turn the machine power off/on after replacing the EEPROM. • BCU defective.
670			Engine response error After powering on the machine, a response is not received from the engine within 30 seconds.	• BCU installed incorrectly • BCU defective • Controller board defective
672			Controller-to-operation panel communication error at startup After powering on the machine, the communication circuit between the controller and the operation panel is not opened, or communication with controller is interrupted after a normal startup.	• Controller stalled • Controller board installed incorrectly • Controller board defective • Operation panel connector loose or defective
687			Memory address (PER) command error The BCU did not receive a memory address command from the controller with the prescribed time once the paper reached the registration sensor.	• Harness connection at BCU, Controller board loose or broken • Defective BCU • Defective Controller Board
721			Front fence motor error The jogger fence motor in the finisher is not operating.	• Jogger motor drive is obstructed (jammed paper, paper scraps, etc.) • The motor harness loose or broken • Jogger fence HP sensor dirty, loose, defective • Jogger fence motor defective
722			Rear fence motor error The rear jogger fence motor in the finisher is not operating.	• Rear jogger motor drive is obstructed (jammed paper, paper scraps, etc.) • The rear jogger fence motor harness loose or broken • Rear jogger fence HP sensor dirty, loose, defective • Rear jogger fence motor defective
723			Feed-out belt motor error The feed-out belt did not return to the home position within the prescribed time.	• Feed-out belt motor drive is obstructed (jammed paper, paper scraps, etc.) • Feed-out belt motor drive obstructed (jammed paper, paper scraps, etc.) • Motor harness loose or broken • Feed-out belt HP sensor dirty, disconnected, broken • Motor defective
725			Finisher stack feed-out motor error The stack feed-out belt HP sensor did not activate within the prescribed time after the stack feedout motor turned on.	• Finisher stack feed-out motor drive is obstructed (jammed paper, paper scraps, etc.) • Stack feed-out motor harness loose, broken • Stack feed-out HP sensor harness loose, broken • Stack feed-out motor defective • Stack feed-out HP sensor defective
730			Shift tray motor error The shift tray motor in the 1000-sheet finisher is not operating.	• Shift motor drive is obstructed (jammed paper, paper scraps, etc.) • Shift motor harness loose, broken • Shift tray HP sensor harness loose, broken • Shift motor defective • Shit tray HP sensor defective
740			Corner stapler motor error The corner stapler motor in the 1000-sheet finisher is not operating.	• Staple jam • Number of sheets in stack exceeds allowed number of sheets for stapling • Stapler motor obstructed • Stapler motor defective
742			Stapler movement motor The stapler movement motor in the 1000-sheet finisher is not operating.	• Stapler or motor drive is blocked by obstruction • Motor harness loose or broken • Stapler HP sensor harness loose, broken • Motor defective • Stapler HP sensor defective
746			Stack feed motor error The stack feed HP sensor in the 1000-sheet booklet finisher did not detect "ON" twice (once: jam error) within the prescribed time after the stack feed motor turned on. -or- The stack feed HP sensor did not detect "OFF" twice (once: jam error) for the specified time after the stack feed motor turned on.	• Motor drive obstructed • Stack feed motor harness loose, broken • Stack feed motor defective
750			Tray lift motor error The tray lift motor in the 1000- sheet booklet finisher is not operating.	• Motor harness loose, broken • Motor drive obstructed • Stack height sensor dirty, harness loose, broken • Motor defective • Stack height sensor defective
751			Stack pressure solenoid error The stack pressure solenoid in the finisher is not operating.	• Solenoid harness loose, broken • Solenoid obstructed • Stack height sensor dirty, harness loose, broke • Solenoid defective • Stack height sensor defective
760			Finisher punch motor error The punch HP sensor did not activate within the prescribed time after the punch motor turned on. The 1st detection issues a jam error, and the 2nd failure issues this SC code.	• Punch HP sensor harness loose, broken • Punch motor harness loose, broken • Punch motor obstructed • Punch motor defective • Punch HP sensor defective
761			Folder plate motor error The folder plate in the 1000-sheet booklet finisher moved but was 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.	• Folder plate motor drive obstructed • Folder plate HP sensor harness loose, broken • Folder plate motor harness loose, broken • Folder plate motor defective • Folder plate HP sensor defective
763			Punch movement motor error The punch unit moved but it was 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.	• Motor harness loose, broken • Motor drive obstructed • Motor defective
764			Paper position slide motor error The paper position sensor detected movement of the slide but the slide was 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.	• Motor harness loose, broken • Motor drive obstructed • Motor defective
765			Fold unit bottom fence lift motor The fold unit bottom fence lift motor in the 1000-sheet booklet finisher is not operating. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.	• Motor harness loose, broken • Motor drive obstructed • Motor defective
766			Clamp roller retraction motor The clamp roller retraction motor in the 1000-sheet booklet finisher is not operating. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.	• Motor harness loose, broken • Motor drive obstructed • Motor defective
791			Bridge unit error The machine can communicate with the finisher but not the bridge unit.	• Poor connection between the finisher and mainframe • Bridge unit harness damaged or defective • Bridge unit defective
792			Finisher unit error The machine cannot communicate with the bridge unit but not the finisher.	• Poor connection between the finisher and mainframe • Finisher harness damaged or defective • Finisher unit defective
816			Energy saver I/O sub system error Energy saver sub system is not operating correctly.	• Controller board defective
819			Fatal kernel error Due to a control error, a RAM overflow occurred during system processing.	• Controller board defective • Insufficient memory • Expanded memory defective
839			USB flash error This is a self-diagnostic error. The device ID of the on-board USB flash ROM was not recognized.	• Replace the controller board
851			IEEE 1394 I/F Abnormal IEEE1394 interface error.	• IEEE1394 interface board defective • Controller board defective
853			Wireless LAN board error 1 At startup the wireless LAN board could be accessed, but the wireless LAN board (IEEE 802.11b or Bluetooth) could not access the controller board.	• Wireless LAN board not installed when the machine was turned on
854			Wireless LAN board error 2 The board that holds the wireless LAN board can be accessed, but the wireless LAN board (802.11b/Bluetooth) itself cannot be accessed while the machine is operating	• Wireless LAN board has been removed during machine operation.
855			Wireless LAN board error 3 An error was detected for the wireless LAN board (802.11b or Bluetooth).	• Wireless LAN board defective • Wireless board connection not tight
856			Wireless LAN board error An error is detected for the wireless LAN board (802.11b or Bluetooth).	• Wireless LAN board defective • PCI connector loose
857			USB I/F Error The USB driver is unstable and generated an error. The USB I/F cannot be used. The USB driver can generate three types of errors: RX, CRC, and STALL errors. Only the STALL error can generate this SC code.	• USB 2.0 disconnected • Controller board defective
858			Data encryption conversion error A serious error occurred during data encryption.
859			HDD data encryption error Encryption of data on the hard disk failed.
860			HDD error 1 The hard disk connection is not detected because it is defective or has not been formatted	• Cable between HDC and HDD loose or defective • HDD power connector loose or defective • HDD not formatted • HDD defective • Replace the controller board
861			HDD error 2 The HDD did not enter the ready status within 30 sec. after power on.	• Cable between HDC and HDD loose or defective • HDD power connector loose or defective • HDD defective • Replace the controller board
863			HDD error 3 Startup without HD data lead. Data stored on the hard disk is not read correctly, due to a bad sector on the HDD	• Format the HDD • HDD defective • Controller board defective
864			HDD error 4 HD data CRC error. During operation of the HD, the HD responded with a CRC error.	• HDD defective
865			HDD error 5 HDD responded to an error during operation for a condition other than those for SC863 or 864.	• HDD defective.
866			SD card error 1: Recognition error The SD card in the slot contains illegal program data.	• Use only SD cards that contain the correct data.
867			SD card error 2: SD card removed The SD card in the boot slot when the machine was turned on was removed while the machine power was on.	• Insert the SD card, then turn the machine off and on.
868			SD card error 3: SD card access An error occurred while an SD card was used.	• SD card not inserted correctly • SD card defective • Controller board defective Note: If you want to try to reformat the SD card, use SD Formatter Ver 1.1.
870			Address Book Data Error Address book data stored on the hard disk was detected as abnormal when it was accessed from either the operation panel or the network.	• Initialize the address book data (SP5-846-050). • Initialize the user information (SP5-832-006). • Replace the HDD.HDD defective
872			HDD mail RX data abnormal An error was detected at power on. The data received during mail receive could be neither read nor written.	• HDD sector corrupted. Reformat with SP5832 007. If this does not repair the problem, replace the HDD.
873			HDD mail TX data error An error was detected on the HDD immediately after the machine was turned on, or power was turned off while the machine used the HDD.	• Do SP5832-8 (Format HDD – Mail TX Data) to initialize the HDD. • Replace the HDD
874			Delete All error 1: HDD A data error was detected for the HDD/ NVRAM after the Delete All option was used. Note: The source of this error is the Data Overwrite Security Unit D362 running from an SD card.	• Turn the main switch off/on, and try the operation again. • Install the Data Overwrite Security Unit again. For more, see “Installation”. • HDD defective
875			Delete All error 2: Data area An error occurred while the machine deleted data from the HDD. Note: The source of this error is the Data Overwrite Security Unit D362 running from an SD card.	• Turn the main switch off/on, and try the operation again.
876			Log data abnormal An error was detected in the handling of the log data at power on or during machine operation. This can be caused if you turn the machine off while it is operating.	• Software error. Update the firmware • NVRAM defective • HDD defective
877			Data Overwrite Security SD card error The 'all delete' function did not execute but the Data Overwrite Security Unit (D362) is installed and activated.	• Replace the NVRAM • Reinstall the DOS from the SD card • SD card defective
878			TPM electronic recognition error The main machine firmware failed to recognize TPM because USB flash is not operating or a system module was updated incorrectly.	• Replace the controller board
880			File format converter error A request for access to the File Format Converter (MLB) was not answered within the specified time.	• File format converter disconnected • File format converter board defective
900			Electrical total counter error The total count contains something that is not a number.	• NVRAM incorrect type • NVRAM defective • NVRAM data scrambled • Unexpected error from external source
	901	Mechanical total counter error The counter was removed during standby or while it is operating, possibly damaging he connector.		• Check the connection of the mechanical counter • Counter defective
	920	Printer Error 1 An internal application error was detected and operation cannot continue.		• Software defective • Insufficient memory
	921	Printer error 2 When the application started, the necessary font was not on the SD card.		• Font not on the SD card
	925	Network File Error The file that manages NetFile is corrupted and operation cannot continue.		• Software defective • Files on the HDD corrupted
	990	Software performance error The software attempted to perform an unexpected operation due to: 1) software bug, 2) incorrect internal parameter, 3) insufficient working memory.		• Turn the machine power off/on • Reinstall the controller and/or main firmware Note: When this SC occurs, the file name, address, and data will be stored in NVRAM. This information can be checked by using SP7-403. Note the above data and the situation in which this SC occurs. Then report the data and conditions to your technical control center.
	991	Software continuity error The software attempted to perform an unexpected operation. However, unlike SC990, the object of the error is continuity of the software.		• No operation required. Note: This SC code does not appear on the panel, and is only logged.
	992	Unexpected Software Error Software encountered an unexpected operation not defined under any SC code.		• Software defective • An error undetectable by any other SC code occurred
	997	Application function selection error Application selected by the operator did not start or end normally due to a software problem. An option required by the application may not be installed.		• Confirm which devices are required for the application. • Make sure all devices are configured correctly. • If the problem is with the fax unit, the nesting of the fax group may be too complicated
	998	Application start error No applications start within 60 sec. after the power is turned on.		• Loose connection of RAM-DIMM, ROM-DIMM • Defective controller • Software problem: check the setting of SP5875-001. If the setting is set to "1 (OFF)", change it to "0 (OFF)". • Check if the RAM-DIMM and ROM-DIMM are correctly connected. • Reinstall the controller system firmware. • Replace the controller.