Samsung CLP-310N Service Manual - Page 109

Vertical White Line

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Alignment & Troubleshooting 2) Vertical White Line Description White vertical voids in 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. 2. Foreign matter or toner particles between the developer roller and blade. (In case the life of the developer has been expired, white lines or light image occur in front of the image.) 3. It may occur when Burr and foreign substances are on the window of the developer frame. 4. If the fuser is defective, voids occur periodically at the top of a black image. Foreign matter in the LSU : Open the cover of LSU and clean with a cotton swab on the surface of the reflex mirror. No 3. : Remove the foreign matter and burr of the exposure window. (Developer cartridge) 1. No. 4. : Open the front cover and check ribs that corresponds to the position of the voids. Remove if found. 2. If the problems are not solved, replace the developer cartridge. Service Manual 4-55 Samsung Electronics

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Alignment & Troubleshooting
Service Manual
4-55
Samsung Electronics
2) Vertical White Line
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.
No 3. : Remove the foreign matter and burr of
the exposure window.
(Developer cartridge)
1. No. 4. : Open the front cover and check ribs
that corresponds to the position of the voids.
Remove if found.
2. If the problems are not solved, replace the
developer cartridge.
2. Foreign matter
or toner particles between the
developer roller and blade. (In case the
life of the developer has been expired,
white lines or light image occur
in front of the
image.)
Foreign matter in the LSU : Open the cover of
LSU and clean with a cotton swab on the
surface of the reflex mirror.
3. It may occur
when Burr and foreign
substances are on the window of the
developer frame.
4. If the fuser is
defective, voids occur
periodically at the top of
a black image.
Description
White vertical voids in the image.