Defective Motor Operation - Xerox Phaser 3450 Service Manual

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
1. The Motor harness or Motor PCB may be defective.
2. Check the motor operation in the EDC Mode.
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
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.
Solution
1. Check the motor harness, replace it, if defective.
2. Replace the Main PBA.
Solution
1. Replace the power supply cord or SMPS.
2. Replace the control board.
3. Replace the OP panel.
TROUBLESHOOTING
Service Manual
7-17