OKI laser printer error codes

A comprehensive lit of OKI Error codes for OKI laser printers. Supplied by White Space Media Limited OKI laser printer specialist reseller and Engineers.

*OKI Error Codes*
Panel Display	Cause	Check Details	Result	Solution
Inspection is required. 001:Error	Machine Check Exception hardware fault detection (board failure or poor power supply)	Does this error message reappear?	Yes	Cycle the power. Replace the CU/PU board.
Service Call 001 Error	Machine Check			Replace the printer control PCB
	Exception hardware problem was detected (PCB failure or insufficient power capacity)
	(PDL only)
	When CE1 was not detected, SC001 occurs
Power Off/On	CPU unexpected exception	Does this error message reappear?	Yes	Power OFF/ON
002:Error
003:Error				Replace the printer control PCB
005:Error
Recovered from an error. 002:Error xxxxxxxx xxxxxxxx xxxxxxx	Program detects the wrong process	Does this error message reappear?	Yes	Push the [OK] button and close the error screen, after a record with all numerical value displayed on LCD. Replace the CU/PU board.
003:Error xxxxxxxx xxxxxxxx xxxxxxx
004:Error xxxxxxxx xxxxxxxx xxxxxxx
005:Error xxxxxxxx xxxxxxxx xxxxxxx
006:Error xxxxxxxx xxxxxxxx xxxxxxx
007:Error xxxxxxxx xxxxxxxx xxxxxxx
Recovered from an error.	Program detects the wrong process			Push the [OK] button and close the error screen, after a record with all numerical value displayed on LCD.
009:Error Recovered from an error.
010:Error Recovered from an error.
011:Error
Power Off/On	A watchdog timeout occurred due to no system timer interrupt for unknown reasons	Does this error message reappear?	Yes	Power OFF/ON
012:Error
				Replace the printer control PCB
Service Call	The CU FW in Nand FLASH has not been detected or a check SUM error has occurred	Does this error message reappear?	Yes	Power OFF/ON
020:Error
				Replace the printer control PCB
Power OFF/ON	CU Program detects the error for hash on the DIMM slot	Does this error message reappear?	Yes	Cycle the power. Replace the CU/ PU board.
024:Error
Service Call	CU Font ROM Hash Error	Does this error message reappear?	Yes	Power OFF/ON
024:Error
				Replace the printer control PCB
Inspection is required.	Detect the CU RAM Check error	Does this error message reappear?	Yes	Re-implement the RAM DIMM and turn on the MFP. Replace the CU/ PU board.
030:Error
Service Call	CU RAM Check Error	Does this error message reappear?	Yes	Power OFF/ON
030:Error
				Replace the printer control PCB
Inspection is required.	Detect the CU EEPROM error	Does this error message reappear?	Yes	Cycle the power. Replace the CU/ PU board.
040:Error
Service Call	CU EEPROM Error	Does this error message reappear?	Yes	Power OFF/ON
040: Error
				Replace the printer control PCB
Power Off/On	Flash File System Error	Failed to access to the Flash ROM that is mounted directly on the CU PCB		Format the Flash forcibly. (This requires caution as it erases NIC-F/W.
042:Error				The NIC-F/W must be written with the maintenance utility after formatting.) If the error remains replace the printer control PCB
043:Error
045:Error
Service Call	CU Fan Error	Is the CPU Fan connected properly?	No	Connect it properly.
051: Error	Abnormal condition of the CPU cooling fan on the CU PCB		Yes	Replace the fan.

		Does it recover from the error by replacing the fan?	No	Replace the printer control PCB.
Power Off/On	DMA Abort Error was detected with Image Processor	Does this error message reappear?	Yes	Power OFF/ON
052:Error
				Replace the printer control PCB
Recovered from an error. 054:Error xxx yyy zzz	Detect the communication error between the Controller unit and scanner unit			Record the figures on the LCD, and close the error display.
Recovered from an error. 055:Error	Controller unit cannot detect the scanner unit	Does this error message reappear?	Yes	Push the [OK] button and close the error screen, after a record with all numerical value displayed on LCD. Check the connection between the scanner and printer.
				Replace the CU/PU board.
		Does this error message reappear?
			Yes
Inspection is required. 056:Error	Controller unit cannot detect the hard disk			Power off the MFP and attach the hard disk and power on the MFP.
Recovered from an error. 057:Error	Detect the time out between the Controller unit and scanner unit 01 : No ACK for read beginning command 02 : No ACK for read cancel command 03 : No ACK for SIP cancel command			Push the [OK] button and close the error screen, after a record with all numerical value displayed on LCD.
Recovered from an error. 058:Error	Detect the error at scanner control section 01 : SIP internal error 02 : Scan Model internal error 03 : SPB internal error			Push the [OK] button and close the error screen, after a record with all numerical value displayed on LCD.
Inspection is required. 067:Error	Detect the communication error with the Sleep Mode interface supervisor program.	Does this error recur?	Yes	Cycle the power. Replace the CU/PU board.
Service Call	A communication error was detected during communication with the Sleep Mode interface monitoring program.			If power cycling does not solve the problem maintenance by a service engineer is required
067: Error
Inspection is required. 069:Error	Malfunction of the NIC chip was detected.	Does this error recur?	Yes	Cycle the power. Replace the CU/PU board.
Service Call	Malfunction of the NIC chip was detected	Does this error recur?	Yes	Power OFF/ON
069:Error
				Replace the printer control PCB
Power OFF/ON 070:Error	A PSE firmware error was detected.			If display the address on the LCD, record the figures and close the error display and cycle the power.
Power Off/On	Detection of abnormal condition of the PostScript firmware	Does this error recur?	Yes	Power OFF/ON
070:Error
				Replace the printer control PCB
Power Off/On	I/F error between PU and CU	Does this error recur?	Yes	Power OFF/ON
072:Error
				Replace the printer control PCB
Power Off/On	Detection of abnormal condition during image data expansion	Does this error recur?	Yes	Power OFF/ON
073:Error
xxxxxxxx				Replace the printer control PCB
Power OFF/ON 073:Error c/ xxxxxxxx	Detect the Video circuit over run.			Record the figures on the lower right side of the LCD, and cycle the power.
Power Off/On	Detection of abnormal condition during image data expansion	Does this error recur?	Yes	Power OFF/ON
074:Error
xxxxxxxx				Replace the printer control PCB
075:Error
xxxxxxxx
Power OFF/ON 075:Error c/ xxxxxxxx	Video error. An error was detected in expanding image data.	Does this error recur?	Yes	Cycle the power. Replace the CU/PU board.
Power OFF/ON 077:Error	VIC Illegal Decomp Error	Does this error recur?	Yes	Cycle the power. Replace the CU/PU board.
Power Off/On	Detection of abnormal condition during image data expansion	Does this error recur?	Yes	Power OFF/ON
077:Error xx
				Replace the printer control PCB
Recovered from an error. 078:Error	Communication Error with Operator Panel Unit	Does this error recur?	Yes	Push the [OK] button and close the error screen, after a record with all numerical value displayed on LCD. Replace the CU/PU board.
Service Call		Does this error recur?	Yes	Power OFF/ON
081:Error
				Replace the printer control PCB
Inspection is required. 090:Error	Detect the error at stapler unit.	Does this error recur?	Yes	Check the stapler unit and cable. At first change the stapler unit, and if it becomes the error again, change the cable. Replace the CU/PU board.
Service Call	The engine EEPROM implementation check at power on showed no problem, but after that a read/write error was detected	Does this error recur?	Yes	Power OFF/ON
104:Error
				Replace the printer control PCB
Inspection is required. 105:Error	Not detect the EEPROM at power on	Does this error recur?	Yes	Cycle the power. Replace the CU/PU board.
Service Call	Abnormal engine control logic	Does this error recur?	Yes	Power OFF/ON
106:Error
				Replace the printer control PCB
Service Call	01: Detection of a watchdog timer error	Does this error recur?	Yes	Power OFF/ON
108:Error
				Replace the printer control PCB
	02: Detection of an undefined interruption	Does this error recur?	Yes	Power OFF/ON

				Replace the printer control PCB
	03: Runaway of the CPU on the PU due to noise etc.	Does this error recur?	Yes	Power OFF/ON

				Replace the printer control PCB
	04: Runaway of the Port CPU due to noise etc.	Does this error recur?	Yes	Power OFF/ON

				Replace the printer control PCB
	05: Failure of Access to the Dcon circuit of the printer control PCB	Does this error recur?	Yes	Power OFF/ON

				Replace the printer control PCB
	09: Detection of an error in clock adjustment to the duplex unit	Does this error message reappear after power restoration	Yes	Replace the unit concerned

		Does this error message reappear after power restoration?
			Yes	Replace the Printer Control PCB
	0B: Detection of an error in clock adjustment to tray 2	Does this error message reappear after power restoration	Yes	Replace the unit concerned

		Does this error message reappear after power restoration?
			Yes	Replace the Printer Control PCB
	0C: Detection of an error in clock adjustment to tray 3	Does this error message reappear after power restoration	Yes	Replace the unit concerned

		Does this error message reappear after power restoration?
			Yes	Replace the Printer Control PCB
	0D: Detection of a error in clock adjustment to tray 4	Does this error message reappear after power restoration	Yes	Replace the unit concerned

		Does this error message reappear after power restoration?
			Yes	Replace the Printer Control PCB
	0E: Detection of a error in clock adjustment to tray 5	Does this error message reappear after power restoration	Yes	Replace the unit concerned

		Does this error message reappear after power restoration?
			Yes	Replace the Printer Control PCB
	0F: Communication failure with the spot color PCB	Does this error recur?	Yes	Power OFF/ON

		Does this error recur?	Yes	Replace the spot color PCB

				Replace the printer control PCB
	10: Runaway of the Driver CPU due to noise etc.	Does this error recur?	Yes	Power OFF/ON

		Does this error recur?	Yes	Replace the driver relay PCB

				Replace the printer control PCB
Service Call	A duplex unit for another model was detected	Is a duplex unit provided for this model installed?	Yes	Install a correct duplex unit
111:Error
Service Call	A 2nd Tray for another model was detected	Is a 2nd Tray provided for this model installed?	Yes	Install a correct 2nd Tray
112:Error
Service Call	A 3rd Tray for another model was detected	Is a 3rd Tray provided for this model installed?	Yes	Install a correct 3rd Tray
113:Error
Service Call	A 4th Tray for another model was detected	Is a 4th Tray provided for this model installed?	Yes	Install a correct 4th Tray
114:Error
Service Call	A 5th Tray for another model was detected	Is a 5th Tray provided for this model installed?	Yes	Install a correct 5th Tray
115:Error
Service Call	High Voltage power supply interface error	Is the fuse on the printer control PCB blown?	Yes	Replace the printer control PCB (then check the following)
121:Error
		Is the cable connecting the printer control PCB to the high voltage power supply unit connected properly?		Re-connect it properly.

				Check for defective contact points of the high voltage system

		Is there any defective contact point?		Replace the high voltage power supply unit.
Inspection is required. 122:Error	Low voltage FAN error	Is the FAN of the low voltage power supply block working?	No	Check to make sure connection of the FAN connector. Replace the low voltage power supply unit. Replace the FAN motor. Replace the low voltage power supply unit.


		Is the FAN connector connected correctly?	Yes

			No
			Yes

Service Call	Abnormal environment humidity or unconnected humidity sensor	Does this error recur?	Yes	Power OFF/ON
123:Error
				Replace the environmental sensor board and the FFC
		Does this error recur?	Yes
				Replace the printer control PCB
Service Call	Abnormal environment humidity	Does this error recur?	Yes	Power OFF/ON
124:Error
				Replace the environmental sensor board and the FFC
		Does this error recur?	Yes
				Replace the printer control PCB
Service Call	Multi-purpose Tray	Does the motor run in the motor testing of the PU self-diagnostic mode?	Yes	Check the sensor cable for a break or short and the connector semi-locking relay PCB and the printer control PCB for abnormal condition.
125:Error	Home Error
				Check the hopping motor and the gear train for abnormal condition.



			No
Power Off and wait for a while	Dew condensation in the printer was detected.	This error tends to occur after a printer is carried in from the outsides.	Yes	After leaving the printer at room temperature, turn on the power again.
126: Condensing Error		Leave the printer for 2 hours to half a day at room temperature, and turn on the power.

		Does this error recur?	Yes
				Replace the environmental sensor board and the FFC.

		Does this error recur?		Replace the printer control PCB
Inspection is required. 127:Error	Fuser FAN error	Is the FAN connector connected properly?	No	Re-connect it properly. Replace the FAN motor. Replace the CU/PU board.
		Does this error recur?	Yes
			Yes
Service Call	01: Fuser Exhaust	Is the cable to respective fans connected properly?	No	Re-connect it properly.
128:Error	Fan 1
	02: Low Voltage Fan	Does this error recur?
	03: PU Fan		Yes	Replace the fan motor.
	05: Station 1 ID
	Intake Fan		No	Replace the applicable PCB
	09: Second Transfer			01: Driver relay PCB
	Absorption Fan			02: Printer Control PCB
	0A: Fuser Intake Fan			03: Printer Control PCB
	0B: Station 2 ID			05: Driver Relay PCB
	Intake Fan			09: Rail unit relay PCB
	0C: Duplex Fan			0A: Driver relay PCB
	0D: Fuser Exhaust			0B: Driver relay PCB
	Fan 2			0C: Duplex unit PCB
	0E: Station 3 ID			0D Driver relay PCB
	Intake Fan			0E: Driver relay PCB
	0F: Station 4 ID			0F: Driver relay PCB
	Intake Fan			10: Driver relay PCB
	10: Station 5 ID
	Intake Fan
Service Call	LED head detection error	Is the fuse blown?	Yes	Replace the PCB.
134: Error	(01=K, 02=C, 03=M, 04=Y, 05=W/CL)	134-5: Spot color PCB		Correct the FFC connection condition between the LED head and the PCB
		134-01 to 04: Printer
		control PCB		Correct the FFC connection condition.

			No	Replace the LED head unit

				Replace either applicable PCB.
		Does this error recur?	Yes	134-01 to 04:
				Printer control PCB
		Does this error recur?	Yes	134-05: Spot color PCB
Service Call	01: Tray 1 Lift-up	Remove the paper cassette. Does the motor run in motor testing?	Yes	Replace the paper cassette.
135: Error	Motor Error
	02: Tray 2 Lift-up		No	Do the following check on motors and PCBs:
	Motor Error
	03: Tray 3 Lift-up	Is the fuse on the PCB blown?		Replace the PCB.
	Motor Error		Yes
	04: Tray 4 Lift-up	Is the motor resistant value abnormal, or is the motor wire disconnected or shorted?		Replace the motor.
	Motor Error		Yes
	05: Tray 5 Lift-up			Replace the PCB.
	Motor Error		No	01: Printer Control PCB
				02 to 05: Option tray PCB
	07: Belt Motor Lock Error	Remove the belt unit. Does the motor run in motor testing?	Yes	Replace the Belt.

			No	Do the following check on motors and PCBs:

		Is there any abnormality with the mechanism, such as a blown motor fuse, a disconnected or shorted motor wire, and a broken gear?		Replace the motor, cable and belt motor driving mechanism.
			Yes
				Replace the printer control PCB

			No
Service Call	09: Fuser Motor Lock Error	Remove the fuser. Does the motor run in motor testing?	Yes	Replace the fuser.
135: Error
			No	Do the following check on motors and PCBs:

		Is there any abnormality with the mechanism, such as a blown motor fuse, a disconnected or shorted motor wire and a broken gear?		Replace the motor, cable, fuser motor driving mechanism.
			Yes
				Replace the printer control PCB

			No
	11: Station 1 ID Motor Lock Error	Remove the ID unit. Does the motor run in motor testing?	Yes	Replace the ID unit.
	12: Station 2 ID Motor Lock Error
	13: Station 3 ID Motor Lock Error		No	Do the following check on motors and PCBs:
	14: Station 4 ID Motor Lock Error
	15: Station 5 ID Motor Lock Error	Is the motor fuse blown?		Replace the motor.
			Yes
		Is the motor wire broken or shorted		Replace the driver relay PCB
			No
		Does the error recur?		Replace the ID motor driving mechanism
			Yes
Inspection is required. 142:Error	Detected a malfunction of the ID Up/Down mechanism.	Connected properly?	Yes	Check the connection of ID Up/Down motor and sensor. Replace the CU/PU board.
Service Call	Image drum Up/Down position detection error	Reinstall the ID unit and the belt unit and then power off/on. Does the error recur?	Yes	Inspect the following:
143: Error	(01=K, 02=C, 03=M, 04=Y, 05=W/CL)
		Detach the ID unit. Remove the rear cover and inspect the initial movement. Is there any abnormality with up/down movement?

			No	Replace the ID unit.

			Yes	Inspect the driver replay PCB, ID up/down sensor, ID motor driving mechanism.
Service Call	Toner supply motor	Remove the toner cartridge. Does the motor run in motor testing?	Yes	Replace the toner cartridge.
147: Error	error (01=K, 02=C, 03=M, 04=Y, 05=W/CL)
			No	Do the following check on motors and PCBs

		Is the motor resistant value abnormal, the motor wire disconnected or shorted?		Replace the motor.
			Yes
		Does the error recur?		Replace the driver relay PCB
			No
				Replace the Toner supply mechanism.
			Yes
Inspection is required. 154:Error	The belt unit fuse blown out.
Inspection is required. 155:Error	The fuser unit fuse blown out.
Inspection is required. 160:Error	Toner sensor detection error (160=Y, 161=M, 162=C, 163=K) This error does not occur with the factory default settings.			Because it is an error not to be occur in the in front of the user, change the CU/PU board when it is displayed in front of the user.
Inspection is required. 161:Error	Toner sensor detection error (160=Y, 161=M, 162=C, 163=K) This error does not occur with the factory default settings.			Because it is an error not to be occur in the in front of the user, change the CU/PU board when it is displayed in front of the user.
Inspection is required. 162:Error	Toner sensor detection error (160=Y, 161=M, 162=C, 163=K) This error does not occur with the factory default settings.	Is the toner cartridge installed? Is the lock lever of the toner set? Does this error recur?	No	Install the toner cartridge.
				Move the lock lever of toner cartridge to the lock position. Replace the toner sensor assembly.
			No

			Yes
Inspection is required. 163:Error	Toner sensor detection error (160=Y, 161=M, 162=C, 163=K) This error does not occur with the factory default settings.	Is the toner cartridge installed? Is the lock lever of the toner set? Does this error recur?	No	Install the toner cartridge.
				Move the lock lever of toner cartridge to the lock position. Replace the toner sensor assembly.
			No

			Yes
Service Call	Toner sensor detection error	Is the stopper (orange) removed?	No	Remove the stopper.
163: Error	(01=K, 02=C, 03=M, 04=Y, 05=W/CL)
	This error does not occur with the factory default settings.	Is the ID unit prism soiled?
			Yes	Clean it.
			No	Replace the ID unit.
		Does this error recur?
			Yes	Replace the driver replay PCB

		Does this error recur?		Replace the toner low sensor board and the cable.
			Yes
Service Call	An abnormality was detected with the power supply temperature thermistor.	Does this error recur?	Yes	Power OFF/ON
166: Error	01: The power supply thermistor is detected as shorted.
	02: The power supply thermistor is detected as open.			Replace the printer control PCB
	03: The power supply thermistor indicates high temperature error
	04: The power supply thermistor indicates low temperature error
Service Call	Thermistor slope error	Is the error message displayed?	Yes	Restore the power
167: Error
		Does this error recur?	Yes	After leaving the printer for 30 minutes, turn on the power
Service Call	01: Thermistor is	Is the error message displayed?	Yes	Restore the power
168: Error	detected as shorted
	02: Thermistor is	Does this error recur?	Yes	After leaving the printer for 30 minutes, turn on the power again. When the power is restored for the 168-03 error, the display changes to Service Call 994: Error
	detected as open
	03: Thermistor is
	indicates high
	temperature error
	04: Thermistor indicates
	low temperature
	error
Service Call	01: Thermistor is detected as shorted	Is the error message displayed?	Yes	Restore the power.
169: Error	02: Thermistor is detected as open
	03: Thermistor is indicates high temperature error	Does this error recur?	Yes	After leaving the printer for 30 minutes, turn on the power again.
	04: Thermistor indicates low temperature error
Service Call	Short circuit (170) or open circuit (171) of the fuser thermistor was detected.	Does this error recur?	Yes	Restore the power.
170: Error				Replace the fuser unit.
171: Error
Service Call	An abnormal (172: high or 173: low)	Does this error recur?	Yes	Restore the power.
172: Error	temperature of the fuser thermistor was			Replace the fuser unit.
173: Error	detected			When the power is restored, the display may change to Service Call 994: Error in some cases.
Service Call	Option unit I/F error	Does this error recur?	Yes	Restore the power.
181: Error	(181 = Duplex Unit.			Check to make sure the contact points of the connector and replace the optional unit
182: Error	182, 183, 184, 185 = Optional Tray)
183: Error
184: Error
185: Error
Service Call	01: Error in	Does this error recur?	Yes	Power OFF/ON
188: Error	communication
	with Port CPU			Replace the printer control PCB
	02: Error in	Does this error recur?	Yes	Replace the Driver PCB
	communication
	with Driver CPU
Power Off/On	System memory overflow	Does this error recur?	Yes	Power OFF/ON
190: Error
				Replace the printer control PCB
Power Off/On	CU program error (not occur in normal operation)	Does this error recur?	Yes	Power OFF/ON
203: Error
204: Error				Replace the printer control PCB
Power Off/On	CU program error (not occur in normal operation)	Does this error recur?	Yes	Power OFF/ON
207: Error
208: Error				Replace the printer control PCB
Power Off/On	CU program error (not occur in normal operation)	Does this error recur?	Yes	Power OFF/ON
213: Error
214: Error				Replace the printer control PCB
Serice Call	Tag Reader Missing	Does this error recur?	Yes	Power OFF/ON
230: Error
		Does this error recur?	Yes	Replace the tag reader/writer PCB and the FFC.

				Replace the printer control PCB
Service Call	01: PU-Tag Reader Interface Error	Does this error recur?	Yes	Power OFF/ON
231: Error	02: Tag Reader circuit abnormality
	03: Tag Interface error	Does this error recur?	Yes	Replace the tag reader/writer PCB and the FFC.

				Replace the printer control PCB

Service Call	Engine Program	Does this error recur?	Yes	Power OFF/ON
241: Error	Memory Error
	241: DUPLEX Flash memory error			241: Replace the DUPLEX PCB.
245 Error	242: Option Tray 2			242-5: Replace the option try PCB
	243: Option Tray 3
	244: Option Tray 4
	245: Option Tray 5
Service Call	Engine PORT CPU	Does this error recur?	Yes	Power OFF/ON
247: Error	Program Memory Error
				Replace the printer control PCB

Service Call	Engine DRIVER	Does this error recur?	Yes	Power OFF/ON
249: Error	CPU Program Memory Error
				Replace the printer control PCB

Power Off/On	Secure File Erasing Error	An encrypted file erasing error was detected.		ADMIN MENU
250: Error		Did the user accept to execute HDD ERASE?		HDD ERASE
				Informing the user of the necessity to execute Disk
				ERASE to delete the encrypted file and restore the HDD defaults
Service Call	Secure Disk Erasing Error	An Error was detected during Disk ERASE. Does this error message reappear?	Yes	Power OFF/ON
251: Error
				Replace the HDD
Service Call	An unexpected error occurred during initialization of the Security mode.	Does this error message reappear?	Yes	Power OFF/ON
254: Error	Error cause information is displayed after the error code number
				Regenerate an encryption key. If it doesn’t solve the problem, replace the CU PCB

Service Call	An unexpected error occurred during initialization of the HDD	Does this error message reappear?	Yes	Power OFF/ON
257: Error	Error cause information is displayed after the error code number
				Format the HDD again. If it does not solve the problem, replace the HDD
Service Call	Heater thermistor error			Cycle the power.
260: Error
Service Call	Heater side1 thermistor error (L)			Replace the Fuser Unit.
261: Error
Service Call	Heater side2 thermistor error (L)			If error not cleared, power OFF and check conditions of cables between CU/PU board (ME2 PCB) and the relay board (MER PCB) and the Fuser Unit.
262: Error
Service Call	Heater side1 thermistor error (R)			If no damage to cables replace CU/PU board (ME2 PCB) and the relay board (MER PCB).
263: Error
Service Call	Heater side2 thermistor error (R)
264: Error
Service Call	Lower1 thermistor error (L)
265: Error
Service Call	Lower2 thermistor error (L)
266: Error
Service Call	Lower3 thermistor error (L)
267: Error
Service Call	Lower1 thermistor error (R)
268: Error
Service Call	Lower2 thermistor error (R)
269: Error
Service Call	Lower3 thermistor error (R)
270: Error
Service Call	Center NC sensor detecting error
271: Error
Service Call	Center NC sensor compensating error
272: Error
Service Call	Center NC sensor temperature after compensating error
273: Error
Service Call	Error detecting the Fuser Unit cover temperature			Power OFF/ON
274: Error
				If error not cleared, power OFF and check conditions of cables between CU/PU board (ME2 PCB) and the relay board (MER PCB) and the Fuser Unit.

				If no damage to cables replace CU/PU board (ME2 PCB) and the relay board (MER PCB).
Error 310	The top cover is open.			Press the [Details] button for help.
Error 311	The front cover is open.			Press the [Details] button for help.
Error 320	The fuser unit is not installed correctly.			Remove and re-install the fuser unit.

				Press the [Details] button for help.
Error 330	The belt unit is not installed correctly.			Remove and re-install the belt unit.

				Press the [Details] button for help.
Error	The image drum is not installed correctly.			Remove and re-install the image drum.
340
341	Error 340 – Yellow Image Drum			Press the [Details] button for help.
342	Error 341 – Magenta Image Drum
343	Error 342 – Cyan Image Drum
	Error 343 – Black Image Drum
Error 348	The fuser unit is not installed correctly.			Reset fuser unit.

				Press the [Details] button for help.
Error	Image Drum Life. The image drum indicated on the screen has reached its lifetime. Replace the image drum with a new one.			Opening and closing the output tray can resume printing for a while.
350
351	Error 350 – Yellow Image Drum			However, you should replace the image drum as soon as possible.
352	Error 351 – Magenta Image Drum
353	Error 352 – Cyan Image Drum			Press the [Details] button for help.
	Error 353 – Black Image Drum
Error 354	The fuser has reached its life.			Opening and closing the output tray can resume printing for a while. Replace with a new one as soon as possible for maintaining the print quality.

	Replace the fuser unit with a new one.			Install new fuser unit.

				Press the [Details] button for help.
Error 355	The transfer belt unit has reached its life.			Opening and closing the output tray can resume printing for a while.

	Replace the belt unit with a new one.			Replace with a new transfer belt unit as soon as possible to maintain print quality.

				Press the [Details] button for help.
Error 356	The waste toner is full.			Opening and closing the output tray can resume printing for a while.

				Replace with a new belt unit as soon as possible to maintain print quality.

				Press the [Details] button for help.
Error 360	The Duplex Unit is open (removed).			The 2-sided printing unit is not set correctly.

				Press the [Details] button for help.
Error	A paper jam has occurred and paper remains near the Duplex Unit.			Remove the paper.
370
371				Press the [Details] button for help.
372
373
Error 380	Paper jam has occurred.			Open the front cover and remove the paper.

				Press the [Details] button for help.
Error	A paper jam has occurred under the image drum.			Remove the paper.
381
382				Press the [Details] button for help.
383
384
385
389
Error 390	Paper jam has occurred.			Open the front cover and remove the paper.

				Press the [Details] button for help.
Error 391	Paper jam has occurred in Tray 1.			Pull out Tray 1 cassette and remove the paper.

				Press the [Details] button for help.
Error 392	Paper jam has occurred in Tray 2.			Pull out Tray 2 cassette and remove the paper.

				Press the [Details] button for help.
Error 393	Paper jam has occurred in Tray 3.			Pull out Tray 3 cassette and remove the paper.

				Press the [Details] button for help.
Error 394	Paper jam has occurred in Tray 4.			Pull out Tray 4 cassette and remove the paper.

				Press the [Details] button for help.
Error 400	Paper size error.			Inappropriate size paper was fed from a tray. Check the paper in the tray or check for Multiple-feed.

	Reset paper in tray.			Open and close cover to perform recovery printing, and continue.

	Press the [Details] button for help.
Error 401	Multiple sheets of paper have been fed. Warns that inappropriate long paper has been fed from tray.			Reset paper in tray.

				Press the [Details] button for help.
Error 409	Printing was stopped. Rear Output Tray was opened during printing. Open the Output Tray.			Open the output tray and remove the jammed paper remaining inside of the unit.
Error	Toner empty. Replace with new Toner Cartridge.			Opening and closing the output tray can resume printing for a while, but it may damage the image drum. Replace the toner cartridge with a new one as soon as possible.
410
411	C: Cyan (blue)
412	M: Magenta
413	Y: Yellow
	K: Black
Error	Waste Toner Full. Replace with new Toner Cartridge.			Opening and closing the output tray can resume printing for a while, but it may damage the image drum. Replace the toner cartridge with a new one as soon as possible.
414
415	Y: Yellow,
	M: Magenta
Error 540	Image Drum Sensor Error. Check Image Drum.			Uninstall the image drum, and then install it again.

	Something is wrong with the Yellow Image Drum sensor.			If the message persists, uninstall the toner cartridge and install it again.

				If the toner cartridge is not installed, install it.

				Press the [Details] button for help.
Error 541	Image Drum Sensor Error. Check Image Drum.			Uninstall the image drum, and then install it again.

	Something is wrong with the Magenta Image Drum sensor.			If the message persists, uninstall the toner cartridge and install it again.

				If the toner cartridge is not installed, install it.

				Press the [Details] button for help.
Error 542	Image Drum Sensor Error. Check Image Drum.			Uninstall the image drum, and then install it again.

	Something is wrong with the Cyan Image Drum sensor.			If the message persists, uninstall the toner cartridge and install it again.

				If the toner cartridge is not installed, install it.

				Press the [Details] button for help.
Error 543	Image Drum Sensor Error. Check Image Drum.			Uninstall the image drum, and then install it again.

	Something is wrong with the Black Image Drum sensor.			If the message persists, uninstall the toner cartridge and install it again.

				If the toner cartridge is not installed, install it.

				Press the [Details] button for help.
Error	A color toner cartridge indicated on the screen is not properly installed.			The toner cannot be detected.
544
545	Error 544 – Yellow			Make sure that the lever on the toner cartridge is fully turned and locked, and the protective tape is removed.
546	Error 545 – Magenta
547	Error 546 – Cyan			Press the [Details] button for help.
	Error 547 – Black
Error	A non-recommended toner is installed.			Install recommended OKI toner.
550
551	Error 550 – Yellow			Press the [Details] button for help.
552	Error 551 – Magenta
553	Error 552 – Cyan
	Error 553 – Black
Error	A non-recommended toner is installed.			Install recommended OKI toner.
554
555	Error 554 – Yellow			Press the [Details] button for help.
556	Error 555 – Magenta
557	Error 556 – Cyan
	Error 557 – Black
Error	Toner empty error because a image drum has reached its life.			Install new image drum.
560
561	Error 560 – Yellow Image Drum			Press the [Details] button for help.
562	Error 561 – Magenta Image Drum
563	Error 562 – Cyan Image Drum
	Error 563 – Black Image Drum
Error	Image drum has reached end of life.			Temporarily prolong life by pressing OK button.
564
565	Error 564 – Yellow Image Drum			Install new image drum.
566	Error 565 – Magenta Image Drum
567	Error 566 – Cyan Image Drum			Press the [Details] button for help.
	Error 567 – Black Image Drum
Error 581	Rear Output Tray is open, so 2-sided printing is disabled.			2-sided printing (duplex printing) failed because the rear output tray is open.

				Close the rear output tray and tray again.
Error 587	The rear cover is open.			Press the [Details] button for help.
Error 610	The Yellow toner cartridge is not installed.			Install the toner cartridge.

				Press the [Details] button for help.
Error 611	The Magenta toner cartridge is not installed.			Install the toner cartridge.

				Press the [Details] button for help.
Error 612	The Cyan toner cartridge is not installed.			Install the toner cartridge.

				Press the [Details] button for help.
Error 613	The Black toner cartridge is not installed.			Install the toner cartridge.

				Press the [Details] button for help.
Error	A non-recommended toner is installed.			Install recommended OKI toner.
614
615	Error 614 – Yellow			Press the [Details] button for help.
616	Error 615 – Magenta
617	Error 616 – Cyan
	Error 617 – Black
Error	A non-recommended toner is installed.			Install recommended OKI toner.
620
621	Error 620 – Yellow			Press the [Details] button for help.
622	Error 621 – Magenta
623	Error 622 – Cyan
	Error 623 – Black
Error	Image drum has reached end of life.			Install new image drum.
680
681	Error 680 – Yellow Image Drum			Press the [Details] button for help.
682	Error 681 – Magenta Image Drum
683	Error 682 – Cyan Image Drum
	Error 683 – Black Image Drum
Error 709	Caution, unknown Consumable detected. Go to User Manual “Trouble Shooting” to restore operation.			To accept these risks and to restore function:

	You can use any consumables in your product, but you must accept the risks of using non-genuine consumables.			1. Turn off your product
				2. Press and hold the (CLEAR) button and turn on your product
	If the use of non-genuine consumables causes damage to the product or results in your product not functioning to its full specification, then such damage or effect on the product is not covered by warranty.			3. After start up, release the (CLEAR) button. Note: This operation will be recorded for future reference
Power Off/On	Short circuit (901) or open circuit (902) with the belt thermistor was detected	Check the belt thermistor wiring. Is there any abnormal condition with the belt unit, contact substrate which is the tag terminal PCB of the printer unit, or the cable?	Yes	Replace the part or the belt unit.
901: Error
902: Error				Replace the driver relay PCB
			No
Power Off/On	The belt thermistor detected abnormal temperature.	Check the belt thermistor wiring. Is there any abnormal condition with the belt unit, contact substrate which is the tag terminal PCB of the printer unit, or the cable?	Yes	Replace the part or the belt unit.
903: Error	903: too high
904: Error	904: too low			Replace the driver relay PCB
			No
Inspection is required.	Media jamming error around fuser.	Media is jammed by entangling around the fuser.		Turn off the MFP.
980 : Error				Replace the fuser.
Inspection is required.	Waste toner sensor detection error	Is the K toner cartridge installed?	No	Install the K toner cartridge.
990 : Error
		Does the error occur again?		Be sure of cable connection, and then perform board replacement.
			Yes
Service Call	An error was detected with the paper thickness sensor power cable	Does this error recur?	Yes	Power OFF/ON
993: Error
		Does this error recur?		Replace the paper thickness sensor and the cable
			Yes
				Replace the printer control PCB
Service Call	A fuser where a high temperaure error was detected is installed	Does this error recur?	Yes	Power OFF/ON
994: Error
				Replace the fuser unit
Power Off/On	CU program error	Does this error recur?	Yes	Power OFF/ON
FOC: Error
				Replace the Printer control PCB
Power Off/On	CU program error	Does this error recur?	Yes	Power OFF/ON
FFF: Error

OKI laser printer error codes

OKI laser printer error codes

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