Lenovo LJ2500 User Manual page 109

Image Defect Samples Recommendation
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Black Vertical lines
Printed pages are stained
with toner or have vertical
stripes.
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0 1 2 3 4
White Vertical streaks
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A B C D E
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A B C D
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0 1 2 3 4
Page skew
• Clean the primary corona wire of the drum unit.
See "Cleaning"
• Make sure the primary corona wire cleaner is at the
Home position (▲).
• The drum unit may be damaged. Install a new
drum unit. See
Chapter 5.
• The toner cartridge may be damaged. Install a new
toner cartridge. See
Cartridge" in Chapter 5. Make sure that a torn
piece of paper is not inside the printer covering the
scanner window.
• The fixing unit may be smudged. Call Customer
Support.
• You may clear the problem by wiping the scanner
window with a soft cloth. See
5.
• The toner cartridge may be damaged. Install a new
toner cartridge. See
Cartridge" in Chapter 5.
• Make sure the paper or other media is loaded into
the paper cassette correctly and that the guides are
not too tight or too loose against the paper stack.
• Set the paper guides correctly. Make sure that the
tips of the paper guides fit into the slot correctly.
See "Printing on Plain Paper from the Paper
Cassette" in Chapter 1.
• If you are using the manual feed slot, see
on Plain Paper from the Manual Feed Slot"
Chapter 1.
• The paper cassette may be too full. See
on Plain Paper from the Paper Cassette "
Chapter 1.
• Check the paper type and quality. See
of Paper can I Use?"
6-18
CHAPTER 6 TROUBLESHOOTING
in Chapter 5.
"Replacing the Drum Unit"
"Replacing the Toner
"Cleaning"
"Replacing the Toner
in Chapter 1.
in
in Chapter
"Printing
in
" Printing
in
"What Kind