Samsung ML-2150 - Printing on Both Sides of Paper (Duplex)

7-15
Samsung Electronics
TROUBLESHOOTING
Service Manual
7.3.5 Paper Empty without indication
• Description
The paper lamp on the operator panel does not come on when the paper cassette is empty.
Check and Cause Solution
1. Bending or deformation of the actuator of the paper sen-
sor.
2. The function of the engine board is defective
1. Replace the defective actuator.
2. Replace the engine board.
7.3.6 Cover Open
• Description
The ERROR lamp is on even when the print cover is closed.
Check and Cause Solution
1. The hook lever in the top cover may be defective.
2. Check the connector and circuit of the cover switch
department in the Main Control board.
1. Replace the hook lever, if defective.
2. Check the insertion of the Cover Open S/W
Connect.
3. Replace the Main Control board or Cover Open
S/W.