Samsung ML-3471ND/XAX - Page 126

Service Manual
Adjustment and Troubleshooting
4-58
Samsung Electronics
10) Vertical Line Getting Curved
1. If the supply of +24v is
unstable in the Main Control board
linking with LSU, check drive by
EDC Mode:
LSU Check.
Replace LSU.
1. Replace theToner Joint PBA.
2. Replace the MainPBA.
2. Chect the Deve PBA
in the Toner Cartridge.
Description: When printing, vertical line gets curved.