Vertical Line Getting Curved - Samsung ML-1440 Service Manual

4-4-10 Vertical Line Getting Curved

• Description
When printing, vertical line gets curved.
Check and Cause
1. If the supply of +24v is unstable in the Main Control board
linking with LSU, check drive by DCU Mode: LSU Check
-05- LSU Motor on.
Samsung Electronics
Solution
1. Replace LSU.
2. Replace the Main Control board.
Troubleshooting
4-21