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Problem
Toner specks
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Dropouts
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Vertical lines
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• The paper may not meet paper specifications (for example,
the paper is too moist or too rough). See "Paper
Specifications" on page A.2.
• The transfer roller may be dirty. See "Cleaning the Inside"
on page 6.4.
• The paper path may need cleaning. See "Cleaning the
Inside".
If faded areas, generally rounded, occur randomly on the
page:
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• A single sheet of paper may be defective. Try reprinting the
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job.
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• The moisture content of the paper is uneven or the paper
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has moist spots on its surface. Try a different kind or brand
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of paper. See "Paper Specifications" on page A.2.
• The paper lot is bad. The manufacturing processes can
cause some areas to reject toner. Try a different kind or
brand of paper.
• The toner cartridge may be defective. See "Vertical
repetitive defects" on page 7.18.
• If these steps do not correct the problems, contact a
service representative.
If black vertical streaks appear on the page:
• The photosensitive drum inside the toner cartridge has
probably been scratched. Install a new toner cartridge.
If white vertical streaks appear on the page:
• The surface of LSU part inside the printer may be dirty.
Clean the LSU (see page 6.5).
Solving Print Quality Problems
Solution
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7 7 . . 17
P
S
ROBLEM
OLVING
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Table of Contents
Troubleshooting
