Brother DCP350C Printer Repair

Brother DCP350C Printer Repair

Code: 26, 27, 28, 29

  • Description:Cannot detect ink cartridges.
  • Causes:
  • Remedy:The ink has run out or the ink cartridge is not set into place. 26: Black ink 27: Yellow ink 28: Cyan ink 29: Magenta ink Reload ink cartridges, referring to the Owner’s Manual. Ink cartridge PCB defective Replace the ink refill ASSY. Main PCB defective Replace the main PCB.

Code: 3X

  • Description:Head/carriage unit travel error
  • Causes:
  • Remedy:Any obstacles on the travel path of the head/carriage unit Clean the CR guide rail and CR support chassis. Carriage PCB broken Replace the carriage PCB. Head/carriage unit broken Replace the head/carriage unit. CR encoder strip stained or scratched Replace the CR encoder strip. Carriage motor broken Replace the carriage motor. Main PCB defective Replace the main PCB. Power supply PCB defective Replace the power supply PCB. Maintenance unit defective Replace the maintenance unit.

Code: 40

  • Description:The casing internal temperature thermistor has detected abnormal temperature in the machine.
  • Causes:
  • Remedy:

Code: 41

  • Description:The head drive voltage has dropped from the high to low level in an abnormally short period.
  • Causes:Piezoelectric (PZT) ceramic actuator defective (Cracks or rare short)
  • Remedy:Replace the head/carriage unit.

Code: 42

  • Description:The head drive voltage has not dropped from the high to low level within the specified period.
  • Causes:Piezoelectric (PZT) ceramic actuator defective
  • Remedy:Replace the head/carriage unit.

Code: 43

  • Description:The head thermistor has been opened or shorted abnormally.
  • Causes:
  • Remedy:Head flat cables broken Replace the head flat cables. Head flat cables and carriage-head flat cable not connected correctly Correct those flat cables. Carriage PCB defective Replace the carriage PCB. Main PCB defective Replace the main PCB.

Code: 44

  • Description:The temperature of the print head driver has risen abnormally. The head driver chip temperature sensor in the COF detect abnormally high temperature.
  • Causes:
  • Remedy:Head property parameters incorrect in the EEPROM Enter the correct parameter values. Head/carriage unit broken Replace the head/carriage unit. Head flat cables and carriage-head flat cable not connected correctly Correct those flat cables. Head flat cables broken Replace the carriage PCB. Carriage-head flat cable broken Replace the head/carriage unit. Main PCB defective Replace the main PCB.

Code: 46

  • Description:The number of performed purge sequences has reached the limit.
  • Causes:Purge counter overflown
  • Remedy:Replace the ink absorber box and reset the purge counter to zero.

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Brother DCP350C Printer Repair