• Code: 1900
• Description: In-process life error
• Remedy: TBD

• Code: 1A23
• Description: Incorrect RTC data error
  The various absolute time settings stored on the NVRAM are abnormal.
• Remedy: If the error still occurs after resetting the date and time, perform the followings. 1. Replace the RTC backup battery. 2. Replace the MAIN BOARD.

• Code: 1A26
• Description: RTC Access T/O error
  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. Reset the date and time settings of the RTC using the Service Program.

• Code: 1A37
• Description: Thermistor error
  The HEAD FFC is not connected correctly. • A temperature out of a predetermined range was detected by the Head thermistor. • Head thermistor failure
• Remedy: 1. Replace the HEAD FFC. 2. Replace the PRINT HEAD.

• Code: 1A38
• Description: Transistor environmental temperature error
  Transistor failure • A temperature out of a predetermined range was detected by the Head thermistor.
• Remedy: Replace the PRINT HEAD.

• Code: 1A39
• Description: Head error
  Connection failure of the HEAD FFC. • Electric parts or components are damaged due to improper HEAD FFC connection such as connecting it at an angle. • The drive circuit in the PRINT HEAD is damaged. • The fuse of the MAIN BOARD has blown.
• Remedy: 1. Replace the HEAD FFC. 2. Replace the PRINT HEAD. 3. Replace the MAIN BOARD.

• Code: 1A41
• Description: Head rank ID input error
  An invalid Head rank ID was written to the NVRAM.
• Remedy: Rewrite the Head rank ID with a correct one.

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