• Code: 1535
• Description: Pressure pump home detection error
  The home position of the Pressure pump cannot be detected at power-on because the ridges of the accordion unit are adhered to each other, or the Pressure pump home sensor is broken.
• Remedy: Replace the Pressure Pump (PURESSURE, PUMP, ASSY). Replace the main board (BOARD ASSY., MAIN).

• Code: 1550
• Description: Borderless print ink pad error
  The counter for the waste ink used at the bleed-off margins for borderless printing has reached its upper limit.
• Remedy: Replace the ink pad for borderless print (POROUS PAD, INK WASTE BOX, RIGHT/LEFT) and reset the counter using the Adjustment Program.

• Code: 1600
• Description: Paper width sensor obstruction error
  A foreign substance on the platen was detected at power-on.
• Remedy: Remove any dirt or foreign substances from the plate. Replace the PW sensor (BOARD ASSY., DETECTOR, PW;B). Replace the CR motor (MOTOR, ASSY, CR).

• Code: 1601
• Description: Paper width sensor malfunction
  The PW sensor is broken.
• Remedy: Replace the PW sensor (BOARD ASSY., DETECTOR, PW;B).

• Code: 1A23
• Description: Invalid RTC data
  The various absolute time data stored in the NVRAM is abnormal.
• Remedy: Reset the RTC using the Adjustment Program and set the correct date and time.

• Code: 1A26
• Description: RTC communication time-out
  The RTC circuit on the main board is malfunctioning.
• Remedy: 1. Turn the power Off and remove the lithium battery. 2. After a several seconds, reattach the battery and turn the power back On. 3. If the printer recovers from the error, Reset the RTC using the Adjustment Program and set the correct date and time

• Code: 1A37
• Description: Thermistor sensor error
  The head FFC is not correctly connected. The head thermistor detected the head temperature fell outside the specified range. The head thermistor is broken.
• Remedy: Check the head FFC, and reconnect it correctly. Replace the print head.

• Code: 1A38
• Description: Transistor ambient temp. error
  The transistor is broken. The thermistor detected a temperature outside the specified range.
• Remedy: Replace the main board (BOARD ASSY., MAIN).