Samsung SCX3400

Multi-feeding

• Description : Multiple sheet of paper are fed at once.

Check and cause	Solution
Pick solenoid does not work properly.	Replace the pick up solenoid if necessary.
Pick up roller is worn out or contaminated.	Clean or replace the pick up roller.

No-Power

• Description : When system power is turned on, LED and LCD on the operator panel do not come on.

Check and cause	Solution
The connection between main board and OPE board is bad.	Reconnect or replace the harness.
HVPS/SMPS output is abnormal.	Replace the HVPS/SMPS board.