Samsung ML-1430 - Vertical Line Getting Curved

Troubleshooting
4-20
Samsung Electronics
4.4.10 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.
(Service Parts : Figure 13, chapter 5)
2. Replace the Main Control board.
(Service Parts : Figure 9, chapter 5)