Brother MFC8420 fix error codes list

Brother MFC8420 fix error codes list

– Compatible Printer model: Brother MFC8420
– Brother MFC8420 Error Codes with instructions guide:

• Code: 56
• Description: MP front cover opened.
• Causes:

• Code: 57
• Description: Recording paper jam (inside DX unit).
• Causes:

• Code: 58
• Description: Recording paper jam (no DX unit).
• Causes:

• Code: 59
• Description: Recording paper jam (inside MP tray).
• Causes:

• Code: 5A
• Description: Out of recording paper.
• Causes:

• Code: 5B
• Description: Paper size error in case of double-sided print.
• Causes:

• Code: 5C
• Description: Paper size error of one side only in case of double-sided print.
• Causes:

• Code: 5D
• Description: MP tray sensor remains ON.
• Causes: • MP tray sensor

• Code: 5E
• Description: MP tray sensor remains OFF.
• Causes: • MP tray sensor

• Code: 5F
• Description: DX unit sensor is inactivated.
• Causes: • DX unit sensor

• Code: 6A
• Description: Heater warming-up timeout error. (Heater does not reach 60°C within 11 sec.)
• Causes: • Thermistor ASSY • Halogen lamp

• Code: 6B
• Description: Heater warming-up timeout error. (Heater does not reach 100°C within 15 sec.)
• Causes: • Thermistor ASSY • Halogen lamp

• Code: 6C
• Description: Heater temperature exceeds the maximum high temperature. (270°C or more is detected for 1 sec.)
• Causes: • Thermistor ASSY • Power supply PCB

• Code: 6D
• Description: Heater temperature lowers the minimum low temperature. (60°C or less is detected for 1 sec.)
• Causes: • Thermistor ASSY • Power supply PCB

• Code: 6E
• Description: Heater temperature does not go up enough. (Slower temperature rise rate than 2°C/5 sec. is detected.)
• Causes: • Halogen lamp • Power supply PCB

• Code: 6F
• Description: Heater hard limiter operates.
• Causes: • Thermistor ASSY • Power supply PCB

• Code: 71
• Description: Scanner motor does not synchronize with the reference clock.
• Causes: • Scanner motor

• Code: 72
• Description: Cannot detect Beam Detect signal.
• Causes: • Scanner motor • MP tray open sensor

• Code: 73
• Description: Drum unit is not mounted.
• Causes: • Toner sensor • Drum unit

• Code: 74
• Description: Toner empty.
• Causes: • Toner sensor • Toner cartridge

• Code: 75
• Description: In-casing temperature error.
• Causes: • Thermistor ASSY

• Code: 76
• Description: Heater harness disconnected or broken.
• Causes: • Thermistor ASSY • Halogen lamp

• Code: 78
• Description: Heater thermistor harness disconnected or broken.
• Causes: • Thermistor ASSY

• Code: 79
• Description: In-casing temperature sensor harness disconnected or broken.
• Causes: • Thermistor ASSY • Main PCB • Engine PCB • Main motor

• Code: 7A
• Description: Main motor does not synchronize with the reference clock.
• Causes:

• Code: 7B
• Description: ASIC error on the main PCB.
• Causes:

• Code: 7C
• Description: Engine PCB error.
• Causes:

• Code: 80
• Description: At the start of recording operation, the controller detects that paper is smaller than A4 size in length or width.
• Causes: • Front registration sensor • Paper size

• Code: 81
• Description: Paper jam
• Causes: • Jammed paper

• Code: 82
• Description: Paper feeding error.
• Causes: • Paper pick up roller

• Code: 83
• Description: Recording paper jam. (At the retry of paper pulling-in operation, the registration sensor is not OFF.)
• Causes: • Registration sensor • Main PCB

• Code: 84
• Description: Recording paper jam. (The paper width sensor and/or registration sensor has detected a paper jam.)
• Causes: • Registration sensor actuator • Main PCB

• Code: 85
• Description: No paper cassette loaded.
• Causes:

• Code: 86
• Description: No 2nd paper cassette loaded.
• Causes:

• Code: 87
• Description: Main motor stop position error.
• Causes: • Main motor

• Code: 88
• Description: Recording paper jam. (Even after paper pulling-in operation, the registration sensor is still OFF.)
• Causes: • Registration sensor actuator • Main PCB

• Code: A1
• Description: Scanner unit or ink slot cover opened.
• Causes: • Scanner open sensor • Main PCB • Scanner unit

• Code: A2
• Description: Document too long to scan.
• Causes: • Document front sensor • Document rear sensor • Document sensor PCB • Document feed roller • ADF motor • Main PCB

• Code: A3
• Description: Document not detected by the document rear sensor
• Causes:

• Code: AA
• Description: The document cover is not closed.
• Causes: Remove the document and close the document cover.

• Code: AE
• Description: The CCD HP sensor will not come ON.
• Causes: • CCD unit • CCD flat cable • Driver PCB • Main PCB

• Code: AF
• Description: The CCD HP sensor will not go OFF.
• Causes:

• Code: B0
• Description: Reading motor half inserted.
• Causes: • Reading motor harness

• Code: B1
• Description: Dark level offset data level error for scanning.
• Causes: • CCD unit • Main PCB

• Code: B2
• Description: Gain control data level error for scanning.
• Causes:

• Code: B3
• Description: Scan area left edge detection error.
• Causes: • CCD unit • Main PCB • Black markings on the white-level reference film inside the scanner top cover

• Code: B4
• Description: Scan area right edge detection error.
• Causes:

• Code: B5
• Description: Horizontal scanning edge reduction detection error in scanning area setting.
• Causes:

Solved Brother MFC8420 Error codes

• Code: B6
• Description: Horizontal scanning edge enlargement detection error in scanning area setting.
• Causes:

• Code: BB
• Description: White level data error.
• Causes: • CCD unit • CCD flat cable • Driver PCB

• Code: BD
• Description: Black level data error.
• Causes: • CCD unit • Main PCB

• Code: BE
• Description: 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
• Causes:

• Code: Dx
• Description: Modem error.
• Causes: • Main PCB

• Code: E4
• Description: Out of recording paper.
• Causes: • ASF • Registration sensor • Main PCB

• Code: E6
• Description: Write error in EEPROM.
• Causes: • Driver PCB

• Code: E8
• Description: Data scanning error during transmission.
• Causes: • CCD unit • Main PCB

• Code: EA
• Description: Document removed at phase B.
• Causes:

• Code: F5
• Description: Internal software error.
• Causes: • Replace the main PCB if this error occurs frequently.

• Code: F6
• Description: PC interface error.
• Causes: • Interface cable • Main PCB

• Code: FA
• Description: Reading motor error detected.
• Causes: • Reading motor

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

– Get more error code list with quick guide to fix printer product, click here
– About get help with reseting Epson inkpad or others, click here

About Canon Servie Tool V5610

– Canon Service Tool V5610 is a tool used to perform maintenance on Canon printers and reset Canon printers after replacement of parts such as replacing ink absorbents, print heads, printer mainboard, and others. Based on the many cases we have encountered, the Service Tool is most often used to reset ink absorber counter value when the waste ink absorber is full.
– The ink absorber is going to be full of box, it has to be replaced or cleaned the waste ink absorber. Also, replaceing or cleaning the waste ink absorber, you need to repair or reset the waste ink counter value, cause those parts are concerned to each others.
– So using Canon Service Tool V5610 to reset the waste ink counter value becomes effective when the ink absorber is replaced or cleaned.

– Canon Service Tool V5610 can use to fix error code 5B00, 5B02, 5B04, 5B14, 1701, 1702, 1700 on your printer. You must enter Service Mode on your printer to use this Canon Service Tool.
– If the printer can not enter Service Mode, you can not reset it by Canon ST V5610. In this case, change EEPROM on the logic board.

Canon Service Tool V5610 Functions

– Fix Canon printer 7 times/ 8 times red light blinking:

– Fix Canon printer error code: 5B00, 5B01, 1700, 1701

Enter Service Mode on Canon Printer

1. Turn off a printer
2. Press and hold the Resume/Cancel/Stop button
3. Press and hold the ON button (do not release both buttons)
4. Release the Resume/Cancel/Stop button (do not release the ON button)
5. While holding the ON button, press the Resume/Cancel/Stop button 5 times, then release both the ON and Resume/Cancel/Stop buttons together.
– Canon printer in service mode: computer detects new hardware, led on printer goes green light.
For more information about Canon Serice Tool V5610

– Get more information about Epson XP 15000 troubleshooting, click here
– Buy cheap key of Epson WIC Reset Tool, CLICK HERE
– Key Epson Adjustment Program, CLICK HERE
https://dnasofts.com/download-epson-xp-6100-driver-firmware-and-manuals/

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