• Code: 1A26
• Description: RTC Access T/O error
• Causes: The RTC circuit on the Main Board malfunctions.
• Remedy: 1. Turn the power off and remove the RTC backup battery. 2. After several seconds, re-attach the battery and turn the power back on. 3. If the printer recovers from the error, set date and time using “RTC&USB ID check and adjustment”.

• Code: 1A37
• Description: Thermistor error
• Causes: 1. The Head FFC is not connected correctly. 2. The thermistor detects a temperature out of the specification. 3. Head thermistor failure
• Remedy: 1. Replace the Head FFC. 2. Replace the Printhead.

• Code: 1A38
• Description: Transistor environmental temperature error
• Causes: 1. Transistor failure 2. The thermistor detects a temperature out of the specification.
• Remedy: Replace the Printhead.

• Code: 1A39
• Description: Head error
• Causes: 1. Connection failure of the Head FFC. 2. The head is damaged due to a slant connection of the Head FFC or the like. • The drive circuit in the Printhead is damaged. • The fuse of the Main Board has blown.
• Remedy: 1. Replace the Head FFC. 2. Replace the Printhead. 3. If the printer does not recover from the error after trying 1 and 2, replace the Main Board.

• Code: 1A41
• Description: Head rank ID input error
• Causes: The information of the Head rank ID is wrong.
• Remedy: Configure the Head rank ID again.

• Code: 1A50
• Description: I2C communication error (Between elements on ASIC and MAIN)
• Causes: The I2C communication error has occurred in the Main Board.
• Remedy: Replace the Main Board.

• Code: 1A51
• Description: I2C communication error (Between elements on ASIC and SUB)
• Causes: The I2C communication error between the Main Board and SUB Board has occurred.
• Remedy: 1. Replace the FFC (CN100) between the Main Board and SUB Board. 2. Replace the SUB Board. 3. Replace the Main Board.

• Code: 1AB0
• Description: Main Board communication error (0)
• Causes: IC failure has occurred on the Main Board.
• Remedy: Replace the Main Board.