Samsung ML-2015/XEV - Vertical Line Getting Curved

Samsung Electronics
Service Manual
Troubleshooting
6-12
6.3.10 Vertical Line Getting Curved
• Description
When printing, vertical line gets curved.
Check and Cause Solution
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.
1. Replace LSU.
2. Replace the Main Control board.