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Confidential
â– Error Code 3F
Carriage motor cannot stop.
<User Check>
- Release the release lever at the back of the Paper tray and remove the jammed
recording paper from the Engine part.
â– Error Code 40
Casing internal thermistor problem
When the power was turned on, the casing internal thermistor detected a temperature of
-20 degrees centigrade or lower, or 80 degrees centigrade or higher.
Unable to print 3F
LCD
Step Cause Solution
1 Carriage motor harness
connection failure
Reconnect the Carriage motor harness.
2 CR encoder strip stained Clean the CR encoder strip.
3 CR encoder strip defective Replace the CR encoder strip.
4 CR encoder sensor defective Replace the Carriage PCB ASSY.
5 Carriage motor defective Replace the Carriage motor ASSY.
6 Main PCB defective Replace the Main PCB ASSY.
Unable to print 40
LCD
Step Cause Solution
1 Casing internal thermistor
harness connection failure
Reconnect the Casing internal thermistor
harness.
2 Casing internal thermistor
defective
Replace the Ink refill ASSY.
3 Main PCB defective Replace the Main PCB ASSY.
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