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Alignment and Troubleshooting
4-28
2) Vertical White Line
Description : White vertical voids in the image.
3. It may occur due to dirty or �
foreign substances are on the window
of the toner cartridge frame.
4. If the fuser is defective,
voids occur periodically at the
top of a black image.
5. It may occur when foreign
substances are on the OPC Drum.
6. Partly depression or
deformation on the surface of the
transfer roller
2. Foreign matter or
toner particles between the toner
cartridge roller and blade. (In case the life of the
toner cartridge has been expired, white
lines or light image occur in
front of the image.)
1. Foreign matter stuck onto the
window of internal lenses
of LSU mirror.
Foreign matter stuck onto the
window : Clean the LSU window
with recommended cleaner(IPA)
Clean the window with a clean
cotton swab.
Replace the toner cartridge.
No 3. : Clean the exposure
window. (toner cartridge)
No. 4. : Open the front cover and
check ribs that corresponds to the
position of the voids. Remove if
found.
If the problems are not solved,
replace the toner cartridge.
Replace the transfer roller if
occured as NO.6