Samsung Electronics
5-39
Troubleshooting
Error code 3-080
Fault
Description
Main motor is not driving when printing, and paper does not feed into the printer, resulting ‘Jam 0’.
Defective motor operation
Model ML-6100
Check
1. Engine board
2. Sub motor board (Refer to 12 on page 6-6.)
Cause
1. Motor harness or CN104 may be defective.
2. U1 defective in the sub motor board.
Solution
1. Check the motor harness. replace it, if defective.
2-1. Perform DCU diagnostic code 00 and check the motor operation.
2-2. With DCU code ‘00’, check for pulse at U1 pin 8 and pin 13. Or, check the related parts.
2-3. With DCU code ‘00’, check U1 pin 4 and pin 17 are over 4V. If the pins are below 1V, check
R424.
2-4. If all above are OK, replace U1.
Remark
Others