Brother DCP7070DW 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
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
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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