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82 _Troubleshooting
Printing quality problems
If the inside of the machine is dirty or paper has been loaded improperly,
you may notice a reduction in print quality. See the table below to clear the
problem.
The printer does
not print PDF file
correctly. Some
parts of
graphics, text, or
illustrations are
missing.
Incompatibility
between the PDF
file and the Acrobat
products.
Printing the PDF file as an
image may solve this
problem. Turn on Print As
Image from the Acrobat
printing options.
It will take longer to
print when you print a
PDF file as an image.
Your machine
has an odd smell
during initial
use.
The oil used to
protect the fuser is
evaporating.
After printing about 100 color
pages, there will be no more
smell. It is a temporary issue.
The print quality
of photos is not
good. Images
are not clear.
The resolution of the
photo is very low.
Reduce the photo size. If you
increase the photo size in the
software application, the
resolution will be reduced.
The machine
prints, but the
text is wrong,
garbled, or
incomplete.
If you are under the
DOS environment,
the font setting for
your machine may
be set incorrectly.
Suggested solutions: Change
the font setting. See
"Changing the font
setting" on page 31.
Before printing,
the machine
emits vapor near
the output tray.
Using damp paper
can cause vapor
during printing.
This is not a problem. Just
keep printing.
The machine
does not print
special sized
paper such as a
billing paper.
Paper size and
paper size setting do
not match.
Set the correct paper size in
the
Custom
in the
Paper
tab
in the printer propeties. See
Software section
.
CONDITION SUGGESTED SOLUTIONS
Light or faded print
If a vertical white streak or faded area appears
on the page:
• The toner supply is low. You may be able
to temporarily extend the toner cartridge
life. See page 65. If this does not improve
the print quality, install a new toner
cartridge.
• The paper may not meet paper
specifications; for example, the paper is too
moist or too rough. See page 33.
• If the entire page is light, the print
resolution setting is too low. Adjust the print
resolution. See the help screen of the
printer driver.
• A combination of faded or smeared defects
may indicate that the toner cartridge needs
cleaning.
• The surface of the LSU part inside the
machine may be dirty. Clean the LSU,
contact a service representative.
CONDITION
POSSIBLE
CAUSE
SUGGESTED SOLUTIONS
Toner specks
• The paper may not meet specifications; for
example, the paper is too moist or too
rough. See page 33.
• The paper path may need cleaning. See
"Cleaning the inside" on page 62.
Dropouts
If faded areas, generally rounded, occur
randomly on the page:
• 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
page 33.
• The paper lot is bad. The manufacturing
processes can cause some areas to reject
toner. Try a different kind or brand of
paper.
• Change the printer option and try again. Go
to printer properties, click Paper tab, and
set type to Thick Paper. Refer to the
Software section for details.
If these steps do not correct the problem,
contact a service representative.
White Spots
White spots appear on the page:
• The paper is too rough and a lot of dirt from
the paper falls to the inner devices within
the machine, which means the transfer belt
may be dirty. Clean the inside of your
machine. Contact a service representative.
• The paper path may need cleaning.
Contact a service representative.
Vertical lines
If black vertical streaks appear on the page:
• The drum inside the toner cartridge has
probably been scratched. Remove the
toner cartridge and install a new one. See
page 65.
If white vertical streaks appear on the page:
• The surface of the LSU part inside the
machine may be dirty. Clean the LSU,
contact a service representative.
If vertical streaks appear on the page:
• The surface of the scanner glass and its
white sheet may be dirty. Clean these unit.
See 64 . If this problem persists, contact a
service representative.
CONDITION SUGGESTED SOLUTIONS
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