If faded areas, generally rounded, occur
randomly on the page:
• A sing
le 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 "Print
media specifications" on page 57.)
• T
he paper lot is bad. The manufacturing
processes can cause some areas to reject
toner. Try a different kind or brand of paper.
• C
hange the printer option and try again. Go
to Printing Preferences, click Paper tab,
and set type to Thick. (See "Opening
printing preferences" on page 32.)
• If th
ese steps do not correct the problem,
contact a service representative.
White Spots
If white spots appear on the page:
• T
he paper is too rough and a lot of dirt from a
paper falls to the inner devices within the
machine, so the transfer roller may be dirty.
Clean the inside of your machine. (See
"Cleaning the inside" on page 42.)
• T
he paper path may need cleaning. (See
"Cleaning the inside" on page 42.)
Vertical lines
If black vertical streaks appear on the page:
• T
he surface (drum part) of the toner
cartridge inside the machine has probably
been scratched. Remove the toner cartridge
and install a new one. (See "Replacing the
toner cartridge" on page 53.)
If white vertical streaks appear on the page:
• T
he surface of the LSU part inside the
machine may be dirty. (See "Cleaning the
inside" on page 42.)
Black background If the amount of background shading becomes
unacceptable:
• C
hange to a lighter weight paper. (See "Print
media specifications" on page 57.)
• Check the environmental conditions: very
dry conditions or a high level of humidity
(higher than 80% RH) can increase the
amount of background shading.
• R
emove the old toner cartridge and, install a
new one. (See "Replacing the toner
cartridge" on page 53
.)
Condition Suggested solutions
Toner smear If toner smears on the page:
• Cl
ean the inside of the machine. (See
"Cleaning the inside" on page 42.)
• Ch
eck the paper type and quality. (See "Print
media specifications" on page 57.)
• Remove the toner cartridge and then, install
a new one. (See "Replacing the toner
cartridge" on page 53.)
Vertical repetitive
defe
cts
If marks repeatedly appear on the printed side of
the page at even intervals:
• T
he toner cartridge may be damaged. If you
still have the same problem, remove the
toner cartridge and, install a new one. (See
"Replacing the toner cartridge" on page 53.)
• Parts
of the machine 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.
• T
he fusing assembly may be damaged.
Contact a service representative.
Background
scatter
Background scatter results from bits of toner
randomly distributed on the printed page.
• T
he 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 too much
moisture.
• If backgr
ound 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
cause problems.
• If
background scatter covers the entire
surface area of a printed page, adjust the
print resolution through your software
application or in Printing Preferences. (See
"Opening printing preferences" on page 32.)
Toner particles are
a
round bold
characters or
pictures
The toner might not adhere properly to this type
of paper.
• Ch
ange the printer option and try again.
Go to the Printing Preferences, click the
Paper tab, and set the paper type to
Recycled.
Condition Suggested solutions
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