Chapter 4 Troubleshooting
4-1. Error Message and Corrective Actions
CL-E720DT 4-4
Causes/Corrective Actions ERROR LED LCD
Head resistance abnormality - Resistance is small
• Defective thermal element(s).
Print quality will degrade.
Flashing in red Alarm
Head Check
Serial communication error
• Receiving buffer overrun error
Flashing in red Error
Serial Over Run
Serial communication error
• Parity error
Flashing in red Error
Serial Parity
Serial communication error
• Framing error
Flashing in red Error
Serial Framing
System error
• Power to the “SA Head” and “SA PF Motor” is shut off.
(To resume, turn the power OFF and then ON.)
Flashing in red Error
System Fail
Auto-cutter abnormality (foreign object etc.)
(Option)
• Jamming, etc.
Flashing in red Error
Cutter Fail
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