Other Errors - Samsung SF-76x series Service Manual

4.2.4. Other errors

1) Multi-feeding
•
Description : Multiple sheet of paper are fed at once.
Check and cause
Pick clutch clutch does not work properly.
Pick up roller is worn out or contaminated.
2) No-Power
•
Description : When system power is turned on, LED and LCD on the operator panel do not come on.
Check and cause
The connection between main board and OPE board is bad.
HVPS/SMPS output is abnormal.
Copyright© 1995-2011 SAMSUNG. All rights reserved.
Solution
Replace the defective clutch if necessary.
Clean or replace the pick up roller.
Solution
Reconnect or replace the harness.
Replace the HVPS/SMPS board.
4. Alignment and Troubleshooting
4-32