Brother DCP7055 Trouble Error Codes


Brother DCP7055 Trouble Error Codes
Brother DCP7055 Trouble Error Codes

Brother DCP7055 Trouble Error Codes

Code
Description
Causes
0F
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
57
Paper is jammed in the duplex paper feed path.
1 Foreign object around duplex tray. 2 Duplex tray failure. 3 DX gears damaged
58
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
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