• Code: 5B
• Description: The pump stops abnormally during air ventilation.
• Causes:
• Remedy: Purge cam gear broken Abnormal load applied to the purge cam PF encoder disk being in contact with the upper cover and deformed PF roller gear L broken Switching arm assembly broken Foreign materials in the machine Clutch gear broken PF sensor PCB defective Main PCB defective Power supply PCB defective Paper feed motor defective Replace the maintenance unit. Replace the PF encoder disk. Replace the engine unit. Replace the maintenance unit. Remove foreign materials. Replace the clutch gear. Replace the PF sensor PCB. Replace the main PCB. Replace the power supply PCB. Replace the paper feed motor.

• Code: 5C
• Description: The pump stops abnormally during purging operation.
• Causes:
• Remedy: Purge cam gear broken Abnormal load applied to the purge cam PF encoder disk being in contact with the upper cover and deformed PF roller gear L broken Switching arm assembly broken Foreign materials in the machine Clutch gear broken PF sensor PCB defective Main PCB defective Power supply PCB defective Paper feed motor defective Replace the maintenance unit. Replace the PF encoder disk. Replace the engine unit. Replace the maintenance unit. Remove foreign materials. Replace the clutch gear. Replace the PF sensor PCB. Replace the main PCB. Replace the power supply PCB. Replace the paper feed motor.

• Code: 5D
• Description: Current protection for the driver IC activated when the purge cam was being driven.
  
• Causes:
• Remedy:

• Code: 5E
• Description: Current protection for the driver IC activated when the pump was in operation.
• Causes:
• Remedy: The driving current has exceeded the limit due to an abnormal load applied to the maintenance unit.

• Code: 60, 61, 62
• Description: Paper width sensor (media sensor) error.
• Causes:
• Remedy: Paper width sensor broken Replace the carriage PCB ASSY. Head flat cables or carriage-head flat cable broken. Main PCB defective Replace the main PCB.

• Code: 7D
• Description: Any of the ink dot counters has counted up to the specified number of dots, meaning the end of the head service life. (Not used.)
• Causes: The service life of the head/carriage unit has been expired.
• Remedy: Replace the head/carriage unit.

• Code: 7E
• Description: No head parameters stored in the EEPROM. (This code may appear only in the maintenance mode.)
• Causes:
• Remedy: No head property data has been entered. Enter the head property data. Main PCB defective Replace the main PCB.

• Code: 7F
• Description: Print engine error.
• Causes:
• Remedy: