•
A single sheet of paper may be defective. Try reprinting the job.
•
The moisture content of the paper is uneven or the paper has moist spots on its
surface. Try a different brand of paper. See
"Paper Specifications"
.
•
The paper lot is bad. The manufacturing process 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
".
•
If these steps do not correct the problems,
contact a service representative.
Vertical lines
If black vertical streaks appear on the page,
the drum inside the toner cartridge has probably been scratched. Install a
new toner cartridge. See
"Replacing the Toner Cartridge"
.
Gray background
If the amount of background shading becomes unacceptable:
•
Change to lighter weight paper. See
"Paper Specifications"
.
•
Check the printer's environment; very dry (low humidity) or high humidity (higher than
80% RH) conditions can increase the amount of background shading.
•
Remove the old toner cartridge and install a new one. See
"Replacing the Toner
Cartridge"
.
Toner smear
•
Clean the inside of the printer. See
"Cleaning the Interior"
.
•
Check the paper type and quality. See
"Paper Specifications"
.
•
Remove the toner cartridge and install a new one. See
"Replacing the Toner Cartridge"
.
Vertical repetitive defects
If marks repeatedly appear on the printed side of the page at even intervals:
•
Clean the inside of the printer. See
"Cleaning the Interior"
. After cleaning the inside of
the printer,
if you still have the same problems,
install a new toner cartridge. See
"Replacing the Toner Cartridge"
.
•
Parts of the printer may have toner on them.
If the defects occur on the back of the page,
the problem will likely correct itself after a few more pages.
•
The fusing assembly may be damaged. Contact a service representative.
Background scatter
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 not open
packages of paper until necessary so that the paper does not absorb excess moisture.
•
If background scatter occurs on an envelope,
change the printing layout to avoid printing
over areas that have overlapping seams on the reverse side. Printing on seams can
sometimes cause problems.
•
If background scatter covers the entire surface area of a printed page,
adjust the print
resolution through your software application or the printer properties.
Misformed characters
If characters are improperly formed and produce hollow images,
the paper stock may be too slick. Try a different paper.
See
"Paper Specifications"
.
Page skew
•
Ensure that the paper is loaded properly.
•
Check the paper type and quality. See
"Paper Specifications"
.
•
Ensure that the paper or other material is loaded correctly and the guides are not too
tight or too loose against the paper stack.
Curl or wave
•
Ensure that the paper is loaded properly.
•
Check the paper type and quality. Both high temperatures and humidity can cause
paper curl. See
"Paper Specifications"
.
•
Turn over the stack of paper in the paper tray. Also try rotating the paper 180
°
in the
paper tray.
Wrinkles or creases
•
Ensure that the paper is loaded properly.
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