• 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.
• Remedy: • Print head unit • Ink absorber box

• Code: 7E
• Description: No head parameters stored in the EEPROM. (This code may appear only in the maintenance mode.)
• Remedy: • Main PCB • Driver PCB • Print head unit

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

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

• Code: 81
• Description: Recording paper jam. (The paper width sensor stays ON.)
• Remedy: • Paper width sensor

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

• Code: 84
• Description: Recording paper jam. (The paper width sensor and/or registration sensor has detected a paper jam.)
• Remedy: • Registration sensor actuator • If the paper width sensor is defective, replace the needle tube & head flat cable ASSY. •Main PCB

• Code: 87
• Description: The paper feed motor has not stopped at the correct position.
• Remedy: • Paper feed motor