6.4.10 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 EDC mode: LSU check.
2. Chect the deve PBA in the print cartridge.
1. Replace LSU.
2. Replace the toner sensor PBA.
2. Replace the main PBA.
Service Manual
6-19
Samsung Electronics
Troubleshooting
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