The back cover is open upon duplex-printing. (The back cover sensor is OFF)
1 Harness connection failure of paper eject sensor PCB ASSY. 2 The member part to press the back cover sensor which is located at the inner side of the back cover is broken. 3 The member part to press the back cover sensor which is located at the duplex tray is broken. 4 Back cover sensor failure. 5 Main PCB failure
1E
The drum unit will reach the end of life soon.
1 Main PCB failure
24
Internal temperature sensor error.
1 Harness connection failure of internal temperature sensor. 2 Internal temperature sensor failure. 3 Main PCB failure
36
Error in the high voltage power suply PCB while the machine is in the standby mode.
1 Main PCB failure
3B
Main PCB DRAM access error.
1 Main PCB failure
44
The toner cartridge is not installed.
1 Dirt on the electrode of the drum unit and on the machine. 2 Harness connection failure of high voltage power supply PCB. 3 High voltage power supply PCB failure. 4 Main PCB failure
50
Drum unit is at the end of life. (Continue printing)
1 Main PCB failure
56
The fuser cover is open.
1 Paper eject actuator catching on some position. 2 Paper eject sensor PCB failure. 3 Main PCB failure
Fuser unit error. (Some kind of fixing error occurs) (Warning)
1 Any fuser error occurs when started in the ready state.
59
Fuser unit error. (After the error code58 occurred, a failure in the fuser unit is detected again upon start-up.)
1 Harness connection failure between fuser unit connector and paper eject sensor PCB ASSY. 2 Harness connection failure between fuser unit connector and low voltage power supply PCB ASSY. 3 Harness connection failure between paper eject sensor PCB and main PCB. 4 Paper eject sensor PCB failure. 5 Low voltage power supply PCB failure. 6 Main PCB failure. 7 Fuser unit failure.
63
The toner cartridge is at the end of life.
1 New toner actuator catching on some position. 2 Harness connection failure of new toner sensor PCB. 3 New toner sensor PCB failure. 4 Main PCB failure
67
The toner cartridge will reach the end of life.
1 New toner actuator catching on some position. 2 Harness connection failure of new toner sensor PCB. 3 New toner sensor PCB failure. 4 Main PCB failure
6A
Fuser unit error. (The center thermistor does not detect 60°C within in the specified time.)
1 Fuser unit connector connection failure. 2 Fuser unit failure. 3 Low voltage power supply PCB failure. 4 Paper eject sensor PCB failure. 5 Main PCB failure
6B
Fuser unit error. (The center thermistor does not detect 100°C within in the specified time.)
1 Fuser unit connector connection failure. 2 Fuser unit failure. 3 Low voltage power supply PCB failure. 4 Paper eject sensor PCB failure. 5 Main PCB failure
Code
Description
Causes
6C
Fuser unit error. (The center thermistor detects 270°C or higher temperature for 1 second.)
1 Fuser unit connector connection failure. 2 Fuser unit failure. 3 Low voltage power supply PCB failure. 4 Paper eject sensor PCB failure. 5 Main PCB failure
6D
Fuser unit error. (The center thermistor detects 60°C or lower temperature for 1 second during standby or printing.)
1 Fuser unit connector connection failure. 2 Fuser unit failure. 3 Low voltage power supply PCB failure. 4 Paper eject sensor PCB failure. 5 Main PCB failure
6F
Fuser unit error. (The center and side thermistors detect extremely high temperature.) (Detection of hardware)
1 Fuser unit connector connection failure. 2 Fuser unit failure. 3 Low voltage power supply PCB failure. 4 Paper eject sensor PCB failure. 5 Main PCB failure
71
Laser unit error.
1 Correction value error of laser unit. 2 Harness connection failure of laser unit. 3 Main PCB failure. 4 Laser unit failure
72
Beam detecting sensor error of the laser unit.
1 Correction value error of laser unit. 2 Harness connection failure of laser unit. 3 Main PCB failure. 4 Laser unit failure
74
An unidentified error occurred.
1 Main PCB failure
75
Cooling down the inside of the machine to protect it.
1 Internal temperature sensor failure. 2 Main PCB failure
76
Fuser unit error. (The center thermistor detects the sharp temperature rise.)
1 Fuser unit failure. 2 Low voltage power supply PCB failure. 3 Paper eject sensor PCB failure. 4 Main PCB failure
78
Fuser unit error. (The center thermistor detects the sharp temperature fall.)
1 Fuser unit failure. 2 Low voltage power supply PCB failure. 3 Paper eject sensor PCB failure. 4 Main PCB failure
7A
A lock signal of the main motor cannot be detected.
1 Flat cable connection failure of main motor. 2 Main motor failure. 3 Low voltage power supply PCB failure. 4 Main PCB failure
7B
An unidentified error occurred.
7C
An unidentified error occurred.
7D
Dirt on drum unit.
1 Dirt on the electrode of the drum unit and on the machine. 2 High voltage power supply PCB failure. 3 Main PCB failure
7E
An unidentified error occurred.
7F
FAX paper size is incorrect. (Menu setting)
1 Main PCB failure
Code
Description
Causes
80
FAX paper size is incorrect. (The actually loaded paper is small)
1 Main PCB failure
83
Drum unit error (An drum error occurred after the drum unit reached the end of life.)
1 Main PCB failure
84
Paper jam at the rear section of the machine.
1 Foreign object in the feed system at the rear section of the machine. 2 Paper eject actuator assembling failure. 3 Paper eject sensor PCB failure. 4 Main PCB failure
88
Paper jam inside the machine.
1 Harness connection failure of paper eject sensor PCB ASSY. 2 Paper eject actuator catching on some position. 3 Paper eject sensor PCB failure. 4 Fuser unit gear damaged. 5 Main PCB failure
89
Paper of the size not supported for duplex printing is set in the tray.
1 Main PCB failure
8A
Paper jam in the paper tray1.
1 Paper edge actuator catching on some position. 2 Registration front actuator catching on some position. 3 Harness connection failure of registration front/rear sensor PCB ASSY. 4 Paper feeding kit worn out. 5 High voltage power supply PCB failure. 6 Registration front/rear sensor PCB failure.
8D
Paper jam occurred around the back cover at the time when the power was turned ON, or the back cover is open.
1 Paper eject actuator catching on some position. 2 Paper eject sensor PCB failure. 3 Main PCB failure
9A
Not detect paper at feeding from manual feed slot.
1 Harness connection failure of registration front/rear sensor PCB ASSY. 2 High voltage power supply PCB failure. 3 Main PCB failure. 4 Registration front sensor failure
9B
Life of toner cartridge
1 Main PCB failure
9C
Life of toner cartridge (Continue mode)
1 New toner actuator catching on some position. 2 Harness connection failure of new toner sensor PCB. 3 New toner sensor PCB failure. 4 Main PCB failure
A1
The front cover is open.
1 Harness connection failure of high voltage power supply PCB ASSY (Front cover sensor is mounted in high voltage power supply PCB ASSY.) 2 Part pressing the front cover sensor is broken, which is provided at inside of front cover. 3 Front cover sensor failure. 4 Main PCB failure.
A2
During scanning, 90cm or longer of a document is detected.
1 Document scanning position detection actuator catching on some position. 2 Document scanning position sensor PCB failure. 3 Main PCB failure.
A3
Document scanning position detection sensor does not detect the leading edge of a document although the document is fed farther than designated distance.
1 Document scanning position detection actuator catching on some position. 2 Document scanning position detection sensor PCB failure. 3 Main PCB failure
A4
ADF cover is open.
1 Coming off of document detection actuator/ADF cover open actuator. 2 Harness connection failure of document detection sensor/ADF cover open sensor PCB. 3 Deformation and/or breakage of ADF cover. 4 ADF cover open sensor failure. 5 Main PCB failure
A5
Scanning failure upon FAX transmission. (Scanning unit failure for the first time)
1 White level data failure. 2 Document scanner unit failure. 3 Main PCB failure
Code
Description
Causes
A6
Scanning failure upon FAX transmission. (Scanning unit failure for the second time or later)
1 White level data failure. 2 Document scanner unit failure. 3 Main PCB failure
A7
Scanning color parameter fille failure.
1 White level data failure. 2 Document scanner unit failure. 3 Main PCB failure
A8
Scanning color parameter error for recording the image.
1 White level data failure. 2 Document scanner unit failure. 3 Main PCB failure
AD
Timeout error during waiting for completion of scanning DMA transfer.
1 Document scanner unit failure. 2 Main PCB failure.
AF
The white tape cannot be detected.
1 White level data failure. 2 Harness connection failure of document scanner unit. 3 Harness connection failure of FB motor harness. 4 Document scanner unit failure. 5 Main PCB failure
B0
Scanning flat cable connection failure.
1 Incomplete insertion of the harness of the document scanner unit. 2 Document scanner unit failure. 3 Main PCB failure
B1
Dark level offset data level error for scanning.
1 Document scanner unit failure. 2 Main PCB failure
B2
Gain control data level error for scanning.
1 Document scanner unit failure. 2 Main PCB failure
B3
The scanning area setting left edge detection error. (white tape)
1 Document scanner unit failure. 2 Main PCB failure
B4
The scanning area setting right edge detection error. (white tape)
1 Document scanner unit failure. 2 Main PCB failure
B7
A/D converter standard voltage failure; at High side.
1 Document scanner unit failure. 2 Main PCB failure
B8
A/D converter standard voltage failure; at Low side.
1 Document scanner unit failure. 2 Main PCB failure
B9
Scanning light adjustment error.
1 Document scanner unit failure. 2 Main PCB failure
BB
White level data error.
1 White level data failure. 2 Document scanner unit failure. 3 Main PCB failure
BD
Black level data error.
1 Document scanner unit failure. 2 Main PCB failure
Code
Description
Causes
C0
Failure to detect a new toner cartridge.
1 Power off or front cover opened while detecting a new toner cartridge.
C7
Insufficient memory.
1 Main PCB failure
C8
RAM area for secure data full.
1 Main PCB failure
D1
Modem initialization failed.
1 Main PCB failure
DD
Fuser unit error except error codes 6A, 6B, 6C, 6D, 6F, 76, 78, DE and E2.
1 Harness connection failure between fuser unit connector and paper eject sensor PCB ASSY. 2 Harness connection failure between fuser unit connector and low voltage power supply PCB ASSY. 3 Harness connection failure between paper eject sensor PCB and main PCB. 4 Paper eject sensor PCB failure. 5 Low voltage power supply PCB failure. 6 Main PCB failure. 7 Fuser unit failure
DE
When the center thermistor is higher than the idle temperature, it is detected that the side thermistor temperature is lower than 60°C.
1 Harness connection failure between paper eject sensor PCB ASSY and fuser unit. 2 Side thermistor or center thermistor failure. 3 Paper eject sensor PCB failure. 4 Main PCB failure
E0
Program error. (An error occurred in the ROM checksum.)
1 Firmware update failure. 2 Main PCB failure.
E2
When the center thermistor is lower than the idle temperature, it is detected that the side thermistor temperature is higher than 280°C.
1 Heat roller dirty. 2 Harness connection failure between paper eject sensor PCB ASSY and fuser unit. 3 Side thermistor or center thermistor failure. 4 Paper eject sensor PCB failure. 5 Main PCB failure
E6
Write error in EEPROM of the main PCB.
1 Main PCB failure
EC
Main fan error.
1 Harness connection failure of main fan. 2 Main fan failure. 3 High voltage power supply PCB failure. 4 Main PCB failure
ED
Communication with the wireless LAN PCB cannot be established upon startup of the power supply.
1 Harness connection failure of wireless LAN PCB. 2 Wireless LAN PCB failure. 3 High voltage power supply PCB failure. 4 Main PCB failure
EE
Unavailability of communication after connecting to the wireless LAN PCB is detected.
1 Harness connection failure of wireless LAN PCB. 2 Wireless LAN PCB failure. 3 High voltage power supply PCB failure. 4 Main PCB failure
EF
The supplied power is unstable.
1 The irregular power supply is detected. 2 Main PCB failure
F0
USB flash memory does not work properly
1 Malfunction of firmware. 2 Main PCB failure
F9
The country code is not entered properly.
1 Power turned OFF while the function code 74 is being executed and PARAMETER INTI is being displayed
