Troubleshooting
Service Manual
7-17
Samsung Electronics
7.3.8 Defective motor operation
• Description
Main motor is not driving when printing, and paper does not feed into the printer, resulting 'Jam 0'.
Check and Cause Solution
1. The motor harness or motor PCB may be defective.
2. Check the motor operation in the EDC mode.
1. Replace the motor unit.
2. Replace the main PBA.
7.3.9 No Power
• Description
When system power is turned on, all lamps on the operator panel do not come on.
Check and Cause Solution
1. Check if the power input and SMPS output are normal.
2. Check the inferiority of LED-Panel or LDC window on the
front-cover if the OP panel does not appear after normal
warming-up.
1. Replace the SMPS.
2. Replace the control board.
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