• Code: EC21 2F70
• Description: Print head diode abnormal temperature error (reboot request) (support number : 1408)
• Causes: Diode abnormal temperature is detected at diode correction. * After connecting the flexible cable, when this error occurs at printer rebooting, the cause is connection of the FLEXIBLE CABLE UNIT. Check the cable connection, and reboot the printer.
• Remedy: 1 Reboot the printer.

• Code: EC21 2F71
• Description: Print head diode temperature unevenness error (reboot request) (support number : 1409)
• Causes: Diode temperature unevenness is detected at diode correction. * After connecting the flexible cable, when this error occurs at printer rebooting, the cause is connection of the FLEXIBLE CABLE UNIT. Check the cable connection, and reboot the printer.
• Remedy: 1 Reboot the printer.

• Code: EC21 2F72
• Description: Print head diode abnormal correction error (reboot request) (support number : 140A)
• Causes: Abnormal value is detected at diode correction. * After connecting the flexible cable, when this error occurs at printer rebooting, the cause is connection of the FLEXIBLE CABLE UNIT. Check the cable connection, and reboot the printer.
• Remedy: 1 Reboot the printer.

• Code: EC21 2F73
• Description: Print head diode abnormal temperature error (print head replacement request) (support number : 1408)
• Causes: The printer does not recover by rebooting after diode abnormal temperature error. * After connecting the flexible cable, when this error occurs at printer rebooting, the cause is connection of the FLEXIBLE CABLE UNIT. Check the cable connection, and reboot the printer.
• Remedy: 1 Replace the print head.

• Code: EC21 2F74
• Description: Print head diode temperature unevenness error (print head replacement request) (support number : 1409)
• Causes: The printer does not recover by rebooting after diode temperature unevenness error. * After connecting the flexible cable, when this error occurs at printer rebooting, the cause is connection of the FLEXIBLE CABLE UNIT. Check the cable connection, and reboot the printer.
• Remedy: 1 Replace the print head.

• Code: EC21 2F75
• Description: Print head diode abnormal correction error (print head replacement request) (support number : 140A)
• Causes: The printer does not recover by rebooting after diode abnormal correction error. * After connecting the flexible cable, when this error occurs at printer rebooting, the cause is connection of the FLEXIBLE CABLE UNIT. Check the cable connection, and reboot the printer.
• Remedy: 1 Replace the print head.

• Code: EC21 2F76
• Description: Print head abnormal temperature rising error H (reboot request) (support number : 5200)
• Causes: Abnormal temperature rising is detected from heater board at home position side. * After connecting the flexible cable, when this error occurs at printer rebooting, the cause is connection of the FLEXIBLE CABLE UNIT. Check the cable connection, and reboot the printer.
• Remedy: 1 Reboot the printer.

• Code: EC21 2F77
• Description: Print head abnormal temperature rising error M (reboot request) (support number : 5200)
• Causes: Abnormal temperature rising is detected from heater board at the center of the print head. * After connecting the flexible cable, when this error occurs at printer rebooting, the cause is connection of the FLEXIBLE CABLE UNIT. Check the cable connection, and reboot the printer.
• Remedy: 1 Reboot the printer.