Vertical White Line - Samsung CLX-6250FX Service Manual

Vertical White Line

White vertical voids in the image.
Description
Cause and Check Point
Check if the LSU window or internal lenses of LSU are
contaminated.
Check if there are scratches or damage to the OPC
drum.
Check if there are scratches on the surface of the
developing roller.
Check if there are foreign objects inside the toner
cartridge.
Check if there are vertical scratches on the transfer
unit.
Dark image or Black
Horizontal Bands
Service Manual
Alignment & Troubleshooting
Poor fusing
Clean the LSU window with recommended
cleaner(IPA). Clean the window with a clean cotton
swab. If dirt is inside the LSU, replace the LSU.
Replace the toner cartridge.
Replace the toner cartridge.
Replace the toner cartridge.
Replace the PTB unit.
Blank Page
Vertical Black Line and Band
Uneven Density
4-73
Solution
Vertical White Line
Contamination on back of page
Samsung Electronics