Brother DCP8040 Trouble Error Codes

Code	Description	Causes
56	MP front cover opened.
57	Recording paper jam (inside DX unit).
58	Recording paper jam (no DX unit).
59	Recording paper jam (inside MP tray).
5A	Out of recording paper.
5B	Paper size error in case of double-sided print.
5C	Paper size error of one side only in case of double-sided print.
5D	MP tray sensor remains ON.	� MP tray sensor
5E	MP tray sensor remains OFF.	� MP tray sensor
5F	DX unit sensor is inactivated.	� DX unit sensor
6A	Heater warming-up timeout error. (Heater does not reach 60�C within 11 sec.)	� Thermistor ASSY � Halogen lamp
6B	Heater warming-up timeout error. (Heater does not reach 100�C within 15 sec.)	� Thermistor ASSY � Halogen lamp
6C	Heater temperature exceeds the maximum high temperature. (270�C or more is detected for 1 sec.)	� Thermistor ASSY � Power supply PCB
6D	Heater temperature lowers the minimum low temperature. (60�C or less is detected for 1 sec.)	� Thermistor ASSY � Power supply PCB
6E	Heater temperature does not go up enough. (Slower temperature rise rate than 2�C/5 sec. is detected.)	� Halogen lamp � Power supply PCB

Code	Description	Causes
6F	Heater hard limiter operates.	� Thermistor ASSY � Power supply PCB
71	Scanner motor does not synchronize with the reference clock.	� Scanner motor
72	Cannot detect Beam Detect signal.	� Scanner motor � MP tray open sensor
73	Drum unit is not mounted.	� Toner sensor � Drum unit
74	Toner empty.	� Toner sensor � Toner cartridge
75	In-casing temperature error.	� Thermistor ASSY
76	Heater harness disconnected or broken.	� Thermistor ASSY � Halogen lamp
78	Heater thermistor harness disconnected or broken.	� Thermistor ASSY
79	In-casing temperature sensor harness disconnected or broken.	� Thermistor ASSY � Main PCB � Engine PCB � Main motor
7A	Main motor does not synchronize with the reference clock.
7B	ASIC error on the main PCB.
7C	Engine PCB error.
80	At the start of recording operation, the controller detects that paper is smaller than A4 size in length or width.	� Front registration sensor � Paper size
81	Paper jam	� Jammed paper
82	Paper feeding error.	� Paper pick up roller

Code	Description	Causes
83	Recording paper jam. (At the retry of paper pulling-in operation, the registration sensor is not OFF.)	� Registration sensor � Main PCB
84	Recording paper jam. (The paper width sensor and/or registration sensor has detected a paper jam.)	� Registration sensor actuator � Main PCB
85	No paper cassette loaded.
86	No 2nd paper cassette loaded.
87	Main motor stop position error.	� Main motor
88	Recording paper jam. (Even after paper pulling-in operation, the registration sensor is still OFF.)	� Registration sensor actuator � Main PCB
A1	Scanner unit or ink slot cover opened.	� Scanner open sensor � Main PCB � Scanner unit
A2	Document too long to scan.	� Document front sensor � Document rear sensor � Document sensor PCB � Document feed roller � ADF motor � Main PCB
A3	Document not detected by the document rear sensor
AA	The document cover is not closed.	Remove the document and close the document cover.
AE	The CCD HP sensor will not come ON.	� CCD unit � CCD flat cable � Driver PCB � Main PCB
AF	The CCD HP sensor will not go OFF.
B0	Reading motor half inserted.	� Reading motor harness
B1	Dark level offset data level error for scanning.	� CCD unit � Main PCB
B2	Gain control data level error for scanning.

Code	Description	Causes
B3	Scan area left edge detection error.	� CCD unit � Main PCB � Black markings on the white-level reference film inside the scanner top cover
B4	Scan area right edge detection error.
B5	Horizontal scanning edge reduction detection error in scanning area setting.
B6	Horizontal scanning edge enlargement detection error in scanning area setting.
BB	White level data error.	� CCD unit � CCD flat cable � Driver PCB
BD	Black level data error.	� CCD unit � Main PCB
BE	Scan starting edge detection error. � CIS unit � CIS flat cable � Driver PCB � Black markings on the white-level reference film inside the scanner top cover
Dx	Modem error.	� Main PCB
E4	Out of recording paper.	� ASF � Registration sensor � Main PCB
E6	Write error in EEPROM.	� Driver PCB
E8	Data scanning error during transmission.	� CCD unit � Main PCB
EA	Document removed at phase B.
F5	Internal software error.	� Replace the main PCB if this error occurs frequently.
F6	PC interface error.	� Interface cable � Main PCB
FA	Reading motor error detected.	� Reading motor

Code	Description	Causes
FF	Memory management error.	� Replace the main PCB if this error occurs frequently.

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