Citizen CLP-621 Technical Manual page 129

4-1. Error Message and Corrective Actions
Causes/Corrective Actions
Abnormal PF motor or Ribbon Motor
F temperature
• Printing will temporarily stop.
Wait until the motor gets cool.
Abnormal head resistance
• Due to defective thermal
element:
Printing quality will degrade.
Communication error
• Reception buffer overrun
• Parity or framing error
• Transmission buffer overflow
Auto cutter abnormality (Optional)
• Jamming, etc.
Abnormal auto cutter temperature
(Optional)
CLP-621 & CLP-631
PRINT LED CONDITION LED
ON ON
OFF OFF
OFF ON
OFF
OFF
ON
OFF
OFF
ON ON
OFF OFF
4-4
ERROR LED
OFF
ON
OFF
OFF
ON
OFF
OFF
OFF