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Toner specks
Dropouts
Vertical lines
Gray background
Toner smear
Vertical repetitive
defects
Background scatter
Misformed characters
Page skew
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The paper may not meet specifications; for example, the paper is too moist
l
or too rough. See
"Paper
Specifications".
The transfer roller may be dirty. Clean the inside of your printer. See
l
"Cleaning the
Interior".
The paper path may need cleaning. See
l
If faded areas, generally rounded, occur randomly on the page:
A single sheet of paper may be defective. Try reprinting the job.
l
The moisture content of the paper is uneven or the paper has moist spots
l
on its surface. Try a different brand of paper. See
The paper lot is bad. The manufacturing process can cause some areas to
l
reject toner. Try a different kind or brand of paper.
The toner cartridge may be defective. See
l
the next page.
If these steps do not correct the problems, contact a service representative.
l
If black vertical streaks appear on the page, the drum inside the toner
l
cartridge has probably been scratched. Install a new toner cartridge. See
"Replacing the Toner
Cartridge".
If white vertical streaks appear on the page, the surface of the LSU part inside
l
the printer may be dirty. Clean the LSU (see
If the amount of background shading becomes unacceptable:
Change to lighter weight pages. See
l
Check the printer's environment; very dry (low humidity) or high humidity
l
(higher than 80% RH) conditions can increase the amount of background
shading.
Remove the old toner cartridge and install a new one. See
l
Toner
Cartridge".
Clean the inside of the printer. See
l
Check the paper type and quality. See
l
Remove the toner cartridge and install a new one. See
l
Cartridge".
If marks repeatedly appear on the printed side of the page at even intervals:
The toner cartridge may be damaged. If a repetitive mark occurs on the page,
l
print a cleaning sheet several times to clean the cartridge. See
cleaning
sheet". After the printout, if you still have the same problems, install
a new toner cartridge. See
"Replacing the Toner
Parts of the printer may have toner on them. If the defects occur on the back
l
of the page, the problem will likely correct itself after a few more pages.
The fusing assembly may be damaged. Contact a service representative.
l
Background scatter results from bits of toner distributed on the printed page.
The paper may be too damp. Try printing with a different batch of paper. Do
l
not open packages of paper until necessary, so that the paper does not
absorb too much moisture.
If background scatter occurs on an envelope, change the printing layout to
l
avoid printing over areas that have overlapping seams on the reverse side.
Printing on seams can cause problems.
If background scatter covers the entire surface area of a printed page, adjust
l
the print resolution through your software application or the printer
properties.
If characters are improperly formed and produce hollow images, the paper
l
stock may be too slick. Try a different paper. See
If characters are improperly formed and produce a wavy effect, the scanner
l
unit may need service. For service, contact a service representative.
Ensure the paper is loaded properly.
l
"Cleaning the
Interior".
"Paper
Specifications".
"Vertical repetitive defects"
on
"Cleaning the
Interior").
"Paper
Specifications".
"Replacing the
"Cleaning the
Interior".
"Paper
Specifications".
"Replacing the Toner
"Printing a
Cartridge".
"Paper
Specifications".

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