Error Codes Shown In The "Machine Error X X" Message - Brother mfc8440 Service Manual
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- User manual (426 pages) ,
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2.2
Error Codes Shown in the "MACHINE ERROR X X" message.
If the LCD shows the "PLS OPEN COVER" message, you can display the detailed error code
following the MACHINE ERROR, by using the maintenance-mode function code 82 described
in Chapter 7, Section 3.16.
NOTE:
•
When checking a PCB as instructed in the "Check:" column, check its harness also.
•
To check sensors, use the maintenance-mode function code 32 described in Chapter 7,
Section 3.9 (that is, press the 3 and 2 keys in the maintenance mode).
Error
Code
(Hex)
56
MP front cover opened.
57
Recording paper jam (inside DX unit).
Reserved
58
(Recording paper jam (no DX unit)).
Reserved
59
(Recording paper jam (inside MP tray)).
Reserved
5A
(Out of recording paper).
Reserved (Paper size error in case of
5B
double-sided print).
Reserved (Paper size error of one side only
5C
in case of double-sided print).
Reserved
5D
(MP tray sensor remains ON).
Reserved
5E
(MP tray sensor remains OFF).
Reserved
5F
(DX unit sensor is inactivated).
Heater warming-up timeout error.
6A
(Heater does not reach 60°C within 11 sec.)
Heater warming-up timeout error.
6B
(Heater does not reach 100°C within 15
sec.)
Heater temperature exceeds the maximum
6C
high temperature.
(270°C or more is detected for 1 sec.)
Heater temperature lowers the minimum
6D
low temperature.
(60°C or less is detected for 1 sec.)
Heater temperature does not go up enough.
6E
(Slower temperature rise rate than 2°C/5
sec. is detected.)
Heater hard limiter operates.
6F
Scanner motor does not synchronize with
71
the reference clock.
Cannot detect Beam Detect signal.
72
Error factor
6-7
MFC-8440/8840D/8840DN, DCP-8040/8045D/8045DN
Check:
• MP front cover
• DX unit
• DX unit
• MP tray
• Recording paper
• Recording paper
• MP tray sensor
• MP tray sensor
• DX unit sensor
• Thermistor ASSY
• Halogen lamp
• Thermistor ASSY
• Halogen lamp
• Thermistor ASSY
• Power supply PCB
• Thermistor ASSY
• Power supply PCB
• Halogen lamp
• Power supply PCB
• Thermistor ASSY
• Power supply PCB
• Scanner motor
• Scanner motor
• MP tray open sensor
SERVICE MANUAL
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