Brother MFC-J3720 fix error codes list

Brother MFC-J3720 fix error codes list

– Compatible Printer model: Brother MFC-J3720
– Brother MFC-J3720 Error Codes with instructions guide:

• Code: 13
• Display: Paper Jam
• Description: Defective during duplex-printing. Registration sensor detects paper feed condition at out of specified timing during switchback.
• Remedy: User Check – Check whether the recording paper being used is within the specification.
  1 Switchback actuator caught on the surrounding parts Set the switchback frame ASSY into place. 2 Registration actuator caught on the surrounding parts Set the registration actuator into place. 3 Registration sensor defective Replace the registration sensor PCB ASSY. 4 Main PCB defective Replace the main PCB ASSY.

• Code: 15
• Display: Paper Jam
• Description: Paper jam during duplex ejecting Recording paper is not able to be ejected since it is longer than 840 mm when ejecting the paper.
• Remedy: User Check – Remove the jammed paper. – Check whether the recording paper being used is within the specification. – Firmly set the paper tray to the rear end.
  1 Foreign materials in the recording paper path Remove foreign materials. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 17
• Display: Wrong Paper Size / Wrong Paper
• Description: Recording paper size error (duplex-printing/duplex-copying) – Paper width is wider than 301.5 mm (detection by paper width sensor.) – Paper width is narrower than 95.5 mm (detection by paper width sensor.) – Paper length is longer than 245.9 mm (detection by registration sensor, switchback sensor.) – Paper length is shorter than 143.5 mm (detection by registration sensor, switchback sensor.)
• Remedy: User Check – Check whether the recording paper being used is within the specification. – Check that dark recording paper is not used. – Firmly set the paper tray to the rear end.
  1 CR encoder strip stained Clean the CR encoder strip. 2 Registration actuator caught on the surrounding parts Set the registration actuator into place. 3 PF encoder disk stained Clean the PF encoder disk and flushing guide 4 Switchback actuator caught on the surrounding parts Set the switchback frame ASSY into place. 5 CR encoder strip defective Replace the CR encoder strip. 6 PF encoder disk defective Replace the PF encoder disk. 7 Registration sensor defective Replace the registration sensor PCB ASSY. 8 Paper width sensor defective Replace the carriage PCB ASSY. 9 Paper feed motor defective Replace the paper feed motor. 10 Main PCB defective Replace the main PCB ASSY.

• Code: 18
• Display: Paper Jam
• Description: Paper jam during duplex-printing Registration sensor does not detect paper feed within specified pulse numbers in the second side paper re-feed (recording paper was pulled out, or very likely to have been pulled out.)
• Remedy: User Check – Remove the jammed paper. – Check whether the recording paper being used is within the specification. – Check that recording paper are not curled, wrinkled or wet.
  1 Foreign materials in the duplex print paper path Remove foreign materials. 2 Registration actuator caught on the surrounding parts Set the registration actuator into place. 3 Registration sensor defective Replace the registration sensor PCB ASSY. 4 Main PCB defective Replace the main PCB ASSY.

• Code: 20
• Display: Cannot Detect
• Description: Cannot identify a black ink cartridge. The ink cartridge detection sensor and the ink remaining sensor are detecting.
• Remedy: User Check – Check if incompatible ink cartridge is loaded. – Reload the ink cartridge. – Replace the ink cartridge. – Check if ink cartridge has been already set before instruction for ink cartridge setting during initial installation.
  1 Each ink cartridge sensor defective Replace the ink refill ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 21
• Display: Cannot Detect
• Description: Cannot identify a yellow ink cartridge. The ink cartridge detection sensor and the ink remaining sensor are detecting.
• Remedy: User Check – Check if incompatible ink cartridge is loaded. – Reload the ink cartridge. – Replace the ink cartridge. – Check if ink cartridge has been already set before instruction for ink cartridge setting during initial installation.
  1 Each ink cartridge sensor defective Replace the ink refill ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 22
• Display: Cannot Detect
• Description: Cannot identify a cyan ink cartridge. The ink cartridge detection sensor and the ink remaining sensor are detecting.
• Remedy: User Check – Check if incompatible ink cartridge is loaded. – Reload the ink cartridge. – Replace the ink cartridge. – Check if ink cartridge has been already set before instruction for ink cartridge setting during initial installation.
  1 Each ink cartridge sensor defective Replace the ink refill ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 23
• Display: Cannot Detect
• Description: Cannot identify a magenta ink cartridge. The ink cartridge detection sensor and the ink remaining sensor are detecting.
• Remedy: User Check – Check if incompatible ink cartridge is loaded. – Reload the ink cartridge. – Replace the ink cartridge. – Check if ink cartridge has been already set before instruction for ink cartridge setting during initial installation.
  1 Each ink cartridge sensor defective Replace the ink refill ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 24
• Display: Cannot Detect / Wrong Color Ink
  Install Starter Ink
• Description: Ink cartridge side IC chip relation defective Identification no match/judge as incompatible cartridge/detecting setting wrong color
  The ink cartridge which is not contains required ink volume for the initial installation has been set at the initial installation.
• Remedy: User Check – Check if incompatible ink cartridge is loaded. – Reload the ink cartridge. – Replace the ink cartridge. – Set ink cartridge at position for correct color. – Set starter ink cartridge.
  1 Main PCB defective Replace the main PCB ASSY.

• Code: 25
• Display: Cannot Detect
• Description: Cannot communicate with ink cartridge IC chip (ink cartridge side.)
• Remedy: User Check – Check if incompatible ink cartridge is loaded. – Reload the ink cartridge. – Replace the ink cartridge.
  1 Ink cartridge flat cable connection failure Reconnect the ink cartridge flat cable. 2 Ink cartridge IC chip PCB defective Replace the ink refill ASSY. 3 Main PCB defective Replace the main PCB ASSY.

• Code: 26
• Display: Cannot Print / Replace Ink
• Description: Black ink cartridge reaches service life time. After judging as no ink by the ink remaining sensor, ink discharged for specified times.
• Remedy: User Check – Replace the ink cartridge.
  1 Ink remaining sensor defective Replace the ink refill ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 27
• Display: Cannot Print / Replace Ink B&W 1-sided Print Only / Replace Ink
• Description: Yellow ink cartridge reaches service life time. After judging as no ink by the ink remaining sensor, ink discharged for specified times.
• Remedy: User Check – Replace the ink cartridge.
  1 Ink remaining sensor defective Replace the ink refill ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 28
• Display: Cannot Print / Replace Ink B&W 1-sided Print Only / Replace Ink
• Description: Cyan ink cartridge reaches service life time. After judging as no ink by the ink remaining sensor, ink discharged for specified times.
• Remedy: User Check – Replace the ink cartridge.
  1 Ink remaining sensor defective Replace the ink refill ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 29
• Display: Cannot Print / Replace Ink B&W 1-sided Print Only / Replace Ink
• Description: Magenta ink cartridge reaches service life time. After judging as no ink by the ink remaining sensor, ink discharged for specified times.
• Remedy: User Check – Replace the ink cartridge.
  1 Ink remaining sensor defective Replace the ink refill ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 2A
• Display: Cannot Print / No Ink Cartridge
• Description: No black ink cartridge loaded, detected by the ink cartridge detection sensor.
• Remedy: User Check – Check if incompatible ink cartridge is loaded. – Reload the ink cartridge. – Replace the ink cartridge.
  1 Ink cartridge detection sensor defective Replace the ink refill ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 2B
• Display: Cannot Print / No Ink Cartridge
• Description: No yellow ink cartridge loaded, detected by the ink cartridge detection sensor.
• Remedy: User Check – Check if incompatible ink cartridge is loaded. – Reload the ink cartridge. – Replace the ink cartridge.
  1 Ink cartridge detection sensor defective Replace the ink refill ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 2C
• Display: Cannot Print / No Ink Cartridge
• Description: No cyan ink cartridge loaded, detected by the ink cartridge detection sensor.
• Remedy: User Check – Check if incompatible ink cartridge is loaded. – Reload the ink cartridge. – Replace the ink cartridge.
  1 Ink cartridge detection sensor defective Replace the ink refill ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 2D
• Display: Cannot Print / No Ink Cartridge
• Description: No magenta ink cartridge loaded, detected by the ink cartridge detection sensor.
• Remedy: User Check – Check if incompatible ink cartridge is loaded. – Reload the ink cartridge. – Replace the ink cartridge.
  1 Ink cartridge detection sensor defective Replace the ink refill ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 2E
• Display: Unable to Print 2E
• Description: Cannot communicate with ink cartridge IC chip (machine body side.)
• Remedy: 1 Main PCB defective Replace the main PCB ASSY.

• Code: 2F
• Display: Cover is Open / Close Ink Cover
• Description: Ink cartridge cover sensor detects opened cover state.
• Remedy: User Check – Close the ink cartridge cover.
  1 Ink cartridge cover harness connection failure Reconnect the ink cartridge cover harness. 2 Ink cartridge cover defective Replace the ink cartridge cover. 3 Ink cartridge cover sensor defective Replace the ink cartridge cover sensor ASSY. 4 Main PCB defective Replace the main PCB ASSY.

• Code: 30
• Display: Unable to Print 30
• Description: Head/carriage unit does not move. Detected by the CR encoder sensor.
• Remedy: User Check – Remove the jammed paper in platen part.
  1 Foreign materials in the engine unit Remove foreign materials. 2 CR encoder strip out of place Set the CR encoder strip into place. 3 CR timing belt out of place Set the CR timing belt into place. 4 Head cover out of place Set the Head cover into place. 5 Carriage motor harness connection failure Reconnect the carriage motor harness. 6 Carriage flat cable connection failure Reconnect the carriage flat cable. 7 CR encoder strip stained Clean the CR encoder strip. 8 CR encoder strip defective Replace the CR encoder strip. 9 CR encoder sensor defective Replace the carriage PCB ASSY. 10 Carriage motor defective Replace the carriage motor ASSY. 11 Main PCB defective Replace the main PCB ASSY.

• Code: 31
• Display: Paper Jam
• Description: Head/carriage unit cannot return to origin. Detected by the CR encoder sensor.
• Remedy: User Check – Remove the jammed paper in platen part.
  1 Foreign materials around the maintenance unit Remove foreign materials. 2 Foreign materials around the flushing box Remove foreign materials. 3 Switching lever guide out of place Set the switching lever guide into place. 4 CR encoder strip stained Clean the CR encoder strip. 5 Flushing box not mounted in place Set the flushing box into place. 6 Carriage rail not mounted in place Set the carriage rail into place. 7 Platen not mounted in place Set the platen into place. 8 Maintenance unit not mounted in place Set the maintenance unit into place. 9 CR encoder sensor defective Replace the carriage PCB ASSY. 10 Maintenance unit defective Replace the maintenance unit. 11 Main PCB defective Replace the main PCB ASSY.

• Code: 32
• Display: Unable to Print 32
• Description: Head capping is unable.
• Remedy: User Check – Remove the jammed paper in platen part.
  1 Foreign materials around the maintenance unit Remove foreign materials. 2 Switching lever guide out of place Set the switching lever guide into place. 3 Maintenance unit defective Replace the maintenance unit. 4 Main PCB defective Replace the main PCB ASSY.

• Code: 35
• Display: Unable to Print 35
• Description: Abnormal stop of head/carriage unit. Causes other than recording paper jam when ink is not discharging.
• Remedy: User Check – Remove the jammed paper in platen part.
  1 Foreign materials in the engine unit Remove foreign materials. 2 CR encoder strip stained Clean the CR encoder strip. 3 Switching lever guide out of place Set the switching lever guide into place. 4 CR encoder strip defective Replace the CR encoder strip. 5 CR encoder sensor defective Replace the carriage PCB ASSY. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 38
• Display: Paper Jam
• Description: Abnormal stop of head/carriage unit. Causes by recording paper jam when ink is not discharging.
• Remedy: User Check – Remove the jammed paper in platen part.
  1 Foreign materials in the engine unit Remove foreign materials. 2 CR encoder strip stained Clean the CR encoder strip. 3 CR encoder strip defective Replace the CR encoder strip. 4 CR encoder sensor defective Replace the carriage PCB ASSY. 5 Maintenance unit defective Replace the maintenance unit. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 3B
• Display: Unable to Print 3B
• Description: Abnormal stop of head/carriage unit. Causes other than recording paper jam when ink is discharging.
• Remedy: User Check – Remove the jammed paper in platen part.
  1 Foreign materials in the engine unit Remove foreign materials. 2 CR encoder strip stained Clean the CR encoder strip. 3 Switching lever guide out of place Set the switching lever guide into place. 4 CR encoder strip defective Replace the CR encoder strip. 5 CR encoder sensor defective Replace the carriage PCB ASSY. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 3C
• Display: Paper Jam
• Description: Abnormal stop of head/carriage unit. Causes by recording paper jam when ink is discharging.
• Remedy: User Check – Remove the jammed paper in platen part.
  1 Foreign materials in the engine unit Remove foreign materials. 2 CR encoder strip stained Clean the CR encoder strip. 3 CR encoder strip defective Replace the CR encoder strip. 4 CR encoder sensor defective Replace the carriage PCB ASSY. 5 Main PCB defective Replace the main PCB ASSY.

• Code: 3E
• Display: Unable to Print 3E
• Description: Defective occurs in the carriage motor, paper feed motor.
• Remedy: 1 Foreign materials in the recording paper path Remove foreign materials. 2 Foreign materials in the maintenance unit Remove foreign materials. 3 Foreign materials around paper feed roller belt Remove foreign materials. 4 Foreign materials around paper eject roller belt Remove foreign materials. 5 Foreign materials in the engine unit Remove foreign materials. 6 Maintenance unit not mounted in place Set the maintenance unit into place. 7 Flushing box not mounted in place Set the flushing box into place. 8 Carriage rail not mounted in place Set the carriage rail into place. 9 Platen not mounted in place Set the platen into place. 10 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY. 11 CR encoder sensor defective Replace the carriage PCB ASSY. 12 Carriage motor defective Replace the carriage motor ASSY. 13 Paper feed motor defective Replace the paper feed motor. 14 Main PCB defective Replace the main PCB ASSY.

• Code: 3F
• Display: Unable to Print 3F
• Description: Carriage motor cannot stop.
• Remedy: 1 Carriage motor harness connection failure Reconnect the carriage motor harness. 2 CR encoder strip stained Clean the CR encoder strip. 3 CR encoder strip defective Replace the CR encoder strip. 4 CR encoder sensor defective Replace the carriage PCB ASSY. 5 Carriage motor defective Replace the carriage motor ASSY. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 40
• Display: Unable to Print 40
• Description: Casing internal thermistor defective Casing internal thermistor detects -20 °C or less and 80 °C or more when power is ON.
• Remedy: 1 Casing internal thermistor defective Replace the ink cartridge PCB ASSY. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 42
• Display: Unable to Print 42
• Description: Head voltage fails to be turned OFF.
• Remedy: User Check – They may occur due to lower surrounding temperature. Use in warmer surrounding temperature.
  1 Head flat cable connection failure Reconnect the head flat cable. 2 Carriage flat cable connection failure Reconnect the carriage flat cable. 3 Carriage PCB defective Replace the carriage PCB ASSY. 4 Head defective Replace the head/carriage unit. 5 Power supply PCB defective Replace the power supply PCB ASSY. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 43
• Display: Unable to Print 43
• Description: Head thermistor defective Head thermistor detects -20 °C or less and 80 °C or more when power is ON.
• Remedy: 1 Carriage flat cable connection failure Reconnect the carriage flat cable. 2 Head thermistor defective Replace the head/carriage unit. 3 Main PCB defective Replace the main PCB ASSY.

• Code: 44
• Display: Unable to Print 44
• Description: Head driver IC detects abnormal temperature during operation or standby.
• Remedy: 1 Carriage flat cable connection failure Reconnect the carriage flat cable. 2 Head property information not input Input the head property information (refer ‘Updating of Head Property Data and Backup/Restoration of Head Calibration Data.’) 3 Head defective Replace the head/carriage unit. 4 Main PCB defective Replace the main PCB ASSY.

• Code: 46
• Display: Unable to Print 46 / Ink Absorber Full
• Description: Purge count or flushing count overflown.
• Remedy: 1 Ink absorber box or flushing box full Replace ink absorber box or flushing box, resetting purge counter or flashing counter. 2 Main PCB defective Replace the main PCB ASSY.

• Code: 48
• Display: Unable to Print 48
• Description: Head flat cable detected to be not correctly inserted.
• Remedy: 1 Head flat cable connection failure Reconnect the head flat cable. 2 Carriage flat cable connection failure Reconnect the carriage flat cable. 3 Carriage PCB defective Replace the carriage PCB ASSY. 4 Head defective Replace the head/carriage unit. 5 Main PCB defective Replace the main PCB ASSY.

• Code: 49
• Display: Unable to Print 49
• Description: Head voltage does not raise.
• Remedy: User Check – They may occur due to lower surrounding temperature. Use in warmer surrounding temperature.
  1 Head flat cable connection failure Reconnect the head flat cable. 2 Carriage flat cable connection failure Reconnect the carriage flat cable. 3 Carriage PCB defective Replace the carriage PCB ASSY. 4 Head defective Replace the head/carriage unit. 5 Power supply PCB defective Replace the power supply PCB ASSY. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 4F
• Display: Unable to Print 4F
• Description: Head voltage drops too quick.
• Remedy: User Check – They may occur due to lower surrounding temperature. Use in warmer surrounding temperature.
  1 Head flat cable connection failure Reconnect the head flat cable. 2 Carriage flat cable connection failure Reconnect the carriage flat cable. 3 Carriage PCB defective Replace the carriage PCB ASSY. 4 Head defective Replace the head/carriage unit. 5 Power supply PCB defective Replace the power supply PCB ASSY. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 50
• Display: Unable to Print 50
• Description: The purge cam switch is not switching ON/OFF.
• Remedy: User Check – Remove the jammed paper in platen part.
  1 Foreign materials in the maintenance unit Remove foreign materials. 2 Purge cam switch harness connection failure Reconnect the purge cam switch harness. 3 Paper feed motor defective Replace the paper feed motor. 4 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY. 5 Maintenance unit defective Replace the maintenance unit. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 52
• Display: Unable to Print 52
• Description: Failed to detect the origin of the purge cam.
• Remedy: User Check Remove the jammed paper in platen part.
  1 Foreign materials in the maintenance unit Remove foreign materials. 2 Purge cam switch harness connection failure Reconnect the purge cam switch harness. 3 Paper feed motor defective Replace the paper feed motor. 4 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY. 5 Maintenance unit defective Replace the maintenance unit. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 5A
• Display: Unable to Print 5A
• Description: Abnormal stop of purge cam being driven.
• Remedy: User Check Remove the jammed paper in platen part.
  1 Foreign materials in the maintenance unit Remove foreign materials. 2 PF encoder disk stained Clean the PF encoder disk and flushing guide. 3 PF encoder disk defective Replace the PF encoder disk. 4 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY. 5 Ink supply tubes bent Replace the ink refill ASSY. 6 Paper feed motor defective Replace the paper feed motor. 7 Maintenance unit defective Replace the maintenance unit. 8 Main PCB defective Replace the main PCB ASSY.

• Code: 5B
• Display: Unable to Print 5B
• Description: Pump of maintenance unit stopped abnormally during exhaustion/suction.
• Remedy: User Check Remove the jammed paper in platen part.
  1 Foreign materials in the maintenance unit Remove foreign materials. 2 PF encoder disk stained Clean the PF encoder disk and flushing guide. 3 PF encoder disk defective Replace the PF encoder disk. 4 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY. 5 Ink supply tubes bent Replace the ink refill ASSY. 6 Paper feed motor defective Replace the paper feed motor. 7 Maintenance unit defective Replace the maintenance unit. 8 Main PCB defective Replace the main PCB ASSY.

• Code: 5D
• Display: Unable to Print 5D
• Description: Excessive current protection activated for the driver IC during purge cam operation.
• Remedy: User Check Remove the jammed paper in platen part.
  1 Foreign materials in the maintenance unit Remove foreign materials. 2 PF encoder disk stained Clean the PF encoder disk and flushing guide. 3 PF encoder disk defective Replace the PF encoder disk. 4 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY. 5 Ink supply tubes bent Replace the ink refill ASSY. 6 Paper feed motor defective Replace the paper feed motor. 7 Maintenance unit defective Replace the maintenance unit. 8 Main PCB defective Replace the main PCB ASSY.

• Code: 5E
• Display: Unable to Print 5E
• Description: Excessive current protection activated for the driver IC during pump operation.
• Remedy: User Check Remove the jammed paper in platen part.
  1 Foreign materials in the maintenance unit Remove foreign materials. 2 PF encoder disk stained Clean the PF encoder disk and flushing guide. 3 PF encoder disk defective Replace the PF encoder disk. 4 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY. 5 Ink supply tubes bent Replace the ink refill ASSY. 6 Paper feed motor defective Replace the paper feed motor. 7 Maintenance unit defective Replace the maintenance unit. 8 Main PCB defective Replace the main PCB ASSY.

• Code: 67
• Display: Paper tray not detected
• Description: Switchback sensor detects no paper tray 1 state.
• Remedy: User Check – Set paper tray1.
  1 Switchback actuator caught on the surrounding parts Set the switchback frame ASSY into place. 2 Switchback sensor harness connection failure Reconnect the switchback sensor harness. 3 Outer paper guide wear/ defective Replace the outer paper guide. 4 Paper tray 1 defective Replace the paper tray 1. 5 Main PCB defective Replace the main PCB ASSY.

• Code: 75
• Display: Unable to Print 75
• Description: Head/carriage unit cannot shift to head capping position.
• Remedy: User Check Remove the jammed paper in platen part and maintenance unit part.
  1 CR encoder strip out of place Set the CR encoder strip into place. 2 Foreign materials in the maintenance unit Remove foreign materials. 3 Foreign materials in the engine unit Remove foreign materials. 4 Carriage motor defective Replace the carriage motor ASSY. 5 Maintenance unit defective Replace the maintenance unit. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 76
• Display: Unable to Print 76
• Description: Head/carriage unit cannot shift to head uncapping position.
• Remedy: User Check Remove the jammed paper in platen part and maintenance unit part.
  1 CR encoder strip out of place Set the CR encoder strip into place. 2 Foreign materials in the maintenance unit Remove foreign materials. 3 Foreign materials in the engine unit Remove foreign materials. 4 Carriage motor defective Replace the carriage motor ASSY. 5 Maintenance unit defective Replace the maintenance unit. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 7E
• Display: Unable to Print 7E
• Description: Head property information not input.
• Remedy: 1 Head property information not input Input the head property information (refer to ‘Updating of Head Property Data and Backup/Restoration of Head Calibration Data.’) 2 Main PCB defective Replace the main PCB ASSY.

• Code: 80
• Display: Wrong Paper Size / Wrong Paper
• Description: Recording paper size error (during FAX/list printing) Registration sensor, paper width sensor detect unspecified papers.
• Remedy: User Check – Check whether the recording paper being used is within the specification. – Check that dark recording paper is not used. – Clean the platen.
  1 Registration actuator caught on the surrounding parts Set the registration actuator into place. 2 CR encoder strip stained Clean the CR encoder strip. 3 PF encoder disk stained Clean the PF encoder disk and flushing guide. 4 CR encoder strip defective Replace the CR encoder strip. 5 PF encoder disk defective Replace the PF encoder disk. 6 Paper width sensor defective Replace the carriage PCB ASSY. 7 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY. 8 Registration sensor defective Replace the registration sensor PCB ASSY. 9 Carriage motor defective Replace the carriage motor ASSY. 10 Paper feed motor defective Replace the paper feed motor. 11 Main PCB defective Replace the main PCB ASSY.

Solved Brother MFC-J3720 Error codes

• Code: 81
• Display: Wrong Paper Size / Wrong Paper
• Description: Recording paper size error (other than FAX/list printing) Registration sensor, paper width sensor detects papers smaller than specified size.
• Remedy: User Check – Check whether the recording paper being used is within the specification. – Check that recording paper is loaded in correct direction in the paper tray. – Check that dark recording paper is not used. – Clean the platen.
  1 CR encoder strip stained Clean the CR encoder strip. 2 CR encoder strip defective Replace the CR encoder strip. 3 Paper width sensor defective Replace the carriage PCB ASSY. 4 Carriage motor defective Replace the carriage motor ASSY. 5 Main PCB defective Replace the main PCB ASSY.

• Code: 82
• Display: Paper Jam
• Description: Recording paper jam Paper width sensor cannot detect leading edge of recording papers.
• Remedy: User Check – Check whether the recording paper being used is within the specification. – Check that dark recording paper is not used. – Clean the platen. – Remove the jammed paper in jam clear cover part.
  1 Foreign materials in the feeding path Remove foreign materials. 2 Paper feeding path parts out of place Set the paper feeding path parts into place. 3 Paper feed roller stained Clean the paper feed roller. 4 Paper width sensor defective Replace the carriage PCB ASSY. 5 Paper feed roller defective Replace the paper feed roller. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 84
• Display: Paper Jam
• Description: Recording paper jam Registration sensor stays in paper feeding state even after completion of paper ejection action.
• Remedy: User Check – Remove the jammed paper in platen part.
  1 Foreign materials in the feeding path Remove foreign materials. 2 Registration actuator caught on the surrounding parts Set the registration actuator into place. 3 Switchback actuator caught on the surrounding parts Set the switchback frame ASSY into place. 4 Paper feed roller, paper ejection roller, switchback roller stained Clean the related rollers. 5 Paper feed roller, paper ejection roller, switchback roller defective Replace related rollers. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 87
• Display: Paper Jam
• Description: Recording paper jam Switchback sensor stays in paper feeding state even after completion of paper ejection action.
• Remedy: User Check – Remove the jammed paper in front part. – The paper tray is not set correctly.
  1 Foreign materials in the feeding path Remove foreign materials. 2 Switchback actuator caught on the surrounding parts Set the switchback frame ASSY into place. 3 Switchback outer paper guide not mounted in place Set the switchback outer paper guide into place. 4 Paper ejection roller, switchback roller stained Clean the related rollers. 5 Paper ejection roller, switchback roller defective Replace related rollers. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 88
• Display: Paper Jam
• Description: Recording paper jam Switchback sensor cannot detect paper feeding state even papers are fed during printing.
• Remedy: User Check – Remove the jammed paper in platen part and front part.
  1 Foreign materials in the feeding path Remove foreign materials. 2 Switchback actuator out of place Set the switchback frame ASSY into place. 3 Switchback sensor harness connection failure Reconnect the switchback sensor harness. 4 Paper feed roller, paper ejection roller stained Clean the related rollers. 5 Paper feed roller, paper ejection roller defective Replace related rollers. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 89
• Display: Unable to Print 89
• Description: Paper width sensor cannot detect origin specified on the paper feed roller.
• Remedy: 1 PF encoder disk stained Clean the PF encoder disk and flushing guide. 2 PF home position detection lever stained Clean the PF home position detection lever and the flushing guide. 3 PF encoder disk defective Replace the PF encoder disk. 4 PF home position detection lever out of place Set the PF home position detection lever into place. 5 Paper width sensor or carriage PCB defective Replace the carriage PCB ASSY. 6 Main PCB defective Replace the main PCB ASSY.

• Code: 8A
• Display: PAPER JAM
• Description: PF encoder sensor cannot detect rotation of the paper feed motor.
• Remedy: User Check – Remove the jammed paper in jam clear cover part, platen part and front part.
  1 Foreign materials in the feeding path Remove foreign materials. 2 Paper feed motor harness connection failure Reconnect the paper feed motor harness. 3 PF encoder sensor harness connection defective Reconnect the PF encoder sensor harness. 4 PF roller belt out of place Set the PF roller belt into place. 5 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY. 6 PF encoder disk defective Replace the PF encoder disk. 7 Paper feed motor defective Replace the paper feed motor. 8 Main PCB defective Replace the main PCB ASSY.

• Code: 8C
• Display: PAPER JAM
• Description: Excessive current protection activated for the driver IC during paper feed motor operation.
• Remedy: User Check – Remove the jammed paper in jam clear cover part, platen part and front part.
  1 Foreign materials in the feeding path Remove foreign materials. 2 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY. 3 Paper feed motor defective Replace the paper feed motor. 4 Main PCB defective Replace the main PCB ASSY.

• Code: 8F
• Display: Unable to Print 8F
• Description: Paper feed motor cannot stop. Or, PF encoder sensor cannot detect rotation of the paper feed motor.
• Remedy: 1 Paper feed motor harness connection failure Reconnect the paper feed motor harness. 2 Paper feed roller belt out of place Set the paper feed roller belt into place. 3 Main PCB defective Replace the main PCB ASSY.

• Code: A1
• Display: Cover is Open
• Description: Document scanner sensor detects that document scanner is open.
• Remedy: User Check – Close the document scanner.
  1 Document scanner actuator out of place Set the document scanner actuator into place. 2 Document scanner sensor defective Replace the document scanner sensor. 3 Document scanner unit boss broken Replace the document scanner unit. 4 Main PCB defective Replace the main PCB ASSY.

• Code: A2
• Display: Document Jam
• Description: Document scanning position sensor detects length of document 900 mm or more.
• Remedy: User Check – Check whether the document scanned is longer than the specified limit. – Remove the jammed document.
  1 Document scanning position actuator caught on the surrounding parts Set the document scanning position actuator into place. 2 Document scanning position sensor defective Replace the document scanning position sensor. 3 Document feed roller worn out/ ADF motor defective Replace the ADF unit. 4 Main PCB defective Replace the main PCB ASSY.

• Code: A3
• Display: Document Jam
• Description: Document detection sensor detects that document is pulled out during document scanning. Or, the document scanning position sensor cannot detect document within specified time.
• Remedy: User Check – Remove the jammed document.
  1 Foreign materials in the document feeding path Remove foreign materials. 2 Document detection actuator caught on the surrounding parts Set the document detection actuator into place. 3 Document scanning position actuator out of place Set the document scanning position actuator into place. 4 Document scanning position sensor harness connection failure Reconnect the document scanning position sensor harness. 5 Document scanning position sensor defective Replace the document scanning position sensor PCB ASSY. 6 Document pick-up roller worn out Replace the document separation roller ASSY. 7 ADF motor defective Replace the ADF motor. 8 Main PCB defective Replace the main PCB ASSY.

• Code: A4
• Display: Cover is Open
• Description: ADF cover sensor detects opened cover state.
• Remedy: User Check – Close the ADF cover.
  1 ADF cover sensor harness connection failure Reconnect the ADF cover sensor harness. 2 ADF cover boss broken Replace the ADF cover. 3 ADF cover sensor defective Replace the ADF unit. 4 Main PCB defective Replace the main PCB ASSY.

• Code: A5
• Display: Unable to Scan A5
• Description: Level of first side CIS scan result is detected as abnormal during FAX transmission (first transmission.)
• Remedy: 1 White level data failure Carry out maintenance 55 to obtain white level data. 2 White reference tape stained Clean document cover glass at white reference tape. 3 First side CIS unit defective Replace the first side CIS unit. 4 White reference tape damage, broken Replace the document scanner unit. 5 Main PCB defective Replace the main PCB ASSY.

• Code: A6
• Display: Unable to Scan A6
• Description: Level of first side CIS scan result is detected as abnormal during FAX transmission (after re-try.)
• Remedy: 1 White level data failure Carry out maintenance 55 to obtain white level data. 2 White reference tape stained Clean document cover glass at white reference tape. 3 First side CIS unit defective Replace the first side CIS unit. 4 White reference tape damage, broken Replace the document scanner unit. 5 Main PCB defective Replace the main PCB ASSY.

• Code: A7
• Display: Unable to Scan A7
• Description: Type of CIS unit and CIS type input value does not match.
• Remedy: 1 First side or second side CIS type input value error Automatically identify the first side or second side CIS type input value (refer to ‘Checking of CIS Travel and Setting of CIS Type.’) 2 Main PCB defective Replace the main PCB ASSY.

• Code: A8
• Display: Unable to Scan A8
• Description: Matching of color parameter fails.
• Remedy: User Check – Turn the power OFF and ON.
  1 Program malfunctioning Re-load the firmware. 2 Main PCB defective Replace the main PCB ASSY.

• Code: AC
• Display: Unable to Scan AC
• Description: Level of second side CIS scan result is detected as abnormal during FAX transmission (first transmission.)
• Remedy: 1 White level data failure Carry out maintenance 55 to obtain white level data. 2 White reference tape of document pressure bar of ADF cover stained Clean the white reference tape of document pressure bar of ADF cover. 3 Second side CIS unit defective Replace the second side CIS unit. 4 White reference tape of document pressure bar of ADF cover damage, broken Replace the ADF cover. 5 Main PCB defective Replace the main PCB ASSY.

• Code: AF
• Display: Unable to Scan AF
• Description: CIS positioning abnormal (Home position cannot be found.)
• Remedy: 1 Scanner belt out of place Set the scanner belt into place. 2 Document scanner motor harness connection failure Reconnect the document scanner motor harness. 3 First side CIS flat cable connection failure Reconnect the first side CIS flat cable. 4 First side CIS flat cable and second side CIS flat cable are connected vice versa. Reconnect the first side CIS flat cable and the second side CIS flat cable correctly. 5 Black reference tape stained Clean document cover glass at black reference tape. 6 First side CIS flat cable defective Replace the first side CIS flat cable. 7 First side CIS unit defective Replace the first side CIS unit. 8 Document scanner motor defective Replace the document scanner unit. 9 Main PCB defective Replace the main PCB ASSY.

• Code: BC
• Display: Unable to Scan BC
• Description: Level of second side CIS scan result is detected as abnormal during FAX transmission (after re-try.)
• Remedy: 1 White level data failure Carry out maintenance 55 to obtain white level data. 2 White reference tape of document pressure bar of ADF cover stained Clean the white reference tape of document pressure bar of ADF cover. 3 Second side CIS unit defective Replace the second side CIS unit. 4 White reference tape of document pressure bar of ADF cover damage, broken Replace the ADF cover. 5 Main PCB defective Replace the main PCB ASSY.

• Code: BD
• Display: Unable to Scan BD
• Description: Black level value abnormal at scanning.
• Remedy: 1 Black level data failure Carry out maintenance 55 to obtain white level data. 2 First side or second side CIS unit defective Replace the first side or second side CIS unit. 3 Main PCB defective Replace the main PCB ASSY.

• Code: BF
• Display: Unable to Scan BF
• Description: Document scanning position sensor detects a document of which length is larger than the specified size for duplex scanning.
• Remedy: User Check – Check whether the document scanned is longer than the specified limit. – Remove the jammed document.
  1 Document scanning position actuator caught on the surrounding parts Set the document scanning position actuator into place. 2 Document scanning position sensor defective Replace the document scanning position sensor. 3 Document feed roller worn out/ ADF motor defective Replace the ADF unit. 4 Main PCB defective Replace the main PCB ASSY.

• Code: DF
• Display: Unable to Print DF
• Description: Modem communication failure
• Remedy: 1 MJ PCB harness connection failure Reconnect the MJ PCB harness. 2 MJ PCB defective Replace the MJ PCB ASSY. 3 Main PCB defective Replace the main PCB ASSY.

• Code: E0
• Display: Unable to Print E0
• Description: Modem does not start normally even after resetting the modem.
• Remedy: 1 MJ PCB harness connection failure Reconnect the MJ PCB harness. 2 MJ PCB defective Replace the MJ PCB ASSY. 3 Main PCB defective Replace the main PCB ASSY.

• Code: E2
• Display: Unable to Print E2
• Description: Wired LAN MAC address not registered.
• Remedy: 1 Main PCB defective Replace the main PCB ASSY.

• Code: E3
• Display: Unable to Print E3
• Description: Wireless LAN MAC address not registered.
• Remedy: 1 Wireless LAN PCB ASSY connection failure Reconnect the wireless LAN PCB ASSY. 2 Wireless LAN PCB defective Replace the wireless LAN PCB ASSY. 3 Main PCB defective Replace the main PCB ASSY.

• Code: E6
• Display: Unable to Print E6
• Description: Main PCB ASSY EEPROM write error
• Remedy: 1 Main PCB defective Replace the main PCB ASSY.

• Code: E9
• Display: Unable to Print E9
• Description: NFC PCB initialization failed.
• Remedy: 1 NFC PCB harness connection failure Reconnect the NFC PCB harness. 2 NFC PCB defective Replace the NFC PCB. 3 LCD PCB ASSY defective Replace the LCD PCB ASSY. 4 Main PCB defective Replace the main PCB ASSY.

• Code: EC
• Display: Unable to Print EC
• Description: LCD disconnection detected.
• Remedy: 1 LCD flat cable connection failure Reconnect the LCD flat cable. 2 LCD PCB harness connection failure Reconnect the LCD PCB harness. 3 LCD PCB ASSY defective Replace the LCD PCB ASSY. 4 LCD unit defective Replace the LCD unit. 5 Main PCB defective Replace the main PCB ASSY.

• Code: ED
• Display: Unable to Print ED
• Description: Touch panel initialization failed.
• Remedy: User Check – Check foreign materials between touch panel and touch panel frame, and remove if any.
  1 Touch panel defective Replace the touch panel ASSY. 2 LCD PCB ASSY defective Replace the LCD PCB ASSY. 3 Main PCB defective Replace the main PCB ASSY.

• Code: F0
• Display: Unable to Print F0
• Description: Flash file system error
• Remedy: 1 Program malfunctioning Re-load the firmware. 2 Main PCB defective Replace the main PCB ASSY.

• Code: F8
• Display: Unable to Print F8
• Description: Battery harness is detected to be not correctly inserted. Although this error is usually unlikely to occur, it can be considered to occur due to noise around the location of setting, power supply voltage fluctuation or problem of software.
• Remedy: User Check – Turn the power OFF and ON.
  1 Main PCB defective Replace the main PCB ASSY.

• Code: FE
• Display: Unable to Print FE
• Description: ROM data acquisition error
• Remedy: User Check – Turn the power OFF and ON.
  1 Program malfunctioning Re-load the firmware. 2 Main PCB defective Replace the main PCB ASSY.

– 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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