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4) Vertical lines
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onto the window of internal lenses
Service Manual
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Alignment & Troubleshooting
A
1. If black vertical
streaks appear on the page
2. If white vertical
lines appear on the page
3. Foreign matter stuck
of LSU mirror.
A imaging unit has probably been
scratched.
Remove the imaging unit and install
a new one.
Clean the inside of the printer. If you
still have the same problems,
replace the imaging unit with a new
one.
Clean the LSU window with
recommended cleaner(IPA).
4-35
A
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Samsung Electronics