Printing Quality Problems - Samsung SCX-4x25 Series User Manual

POSSIBLE
CONDITION
CAUSE
The resolution of the
The print
photo is very low.
quality of
photos is not
good. Images
are not clear.
If you are under the
The machine
DOS environment,
prints, but
the font setting for
the text is
your machine may
wrong,
be set incorrectly.
garbled, or
incomplete.
Using damp paper
Before
can cause vapor
printing, the
during printing.
machine
emits vapor
near the
output tray.

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.
CONDITION
If a vertical white streak or faded area appears on
Light or faded print
the page:
•
•
•
•
•
•
Toner specks
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•
AaBbCc
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64 _Troubleshooting
Downloaded From ManualsPrinter.com Manuals
SUGGESTED SOLUTIONS
Reduce the photo size. If you
increase the photo size in the
software application, the
resolution will be reduced.
Suggested solutions: Change the
font setting. See "Changing the
font setting" on page 27.
This is not a problem. Just keep
printing.
SUGGESTED SOLUTIONS
The toner supply is low. You may be able to
temporarily extend the toner cartridge life. See
page 53. 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 29.
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.
The paper may not meet specifications; for
example, the paper is too moist or too rough.
See page 29.
The paper path may need cleaning. See
"Cleaning the inside" on page 50.
CONDITION
If faded areas, generally rounded, occur randomly
Dropouts
on the page:
• A single sheet of paper may be defective. Try
AaBbCc
reprinting the job.
AaBbCc
• The moisture content of the paper is uneven or
the paper has moist spots on its surface. Try a
AaBbCc
different brand of paper. See page 29.
AaBbCc
• The paper lot is bad. The manufacturing
processes can cause some areas to reject
AaBbCc
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 appear on the page:
White Spots
• 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.
If black vertical streaks appear on the page:
Vertical lines
• The drum inside the toner cartridge has
probably been scratched. Remove the toner
cartridge and install a new one. See page 53.
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 the amount of background shading becomes
Color or Black
unacceptable:
background
• Change to a lighter weight paper. See page 29.
• Check the machine'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 page 53.
• Clean the inside of the machine. See page 50.
Toner smear
• Check the paper type and quality. See page 29.
• Remove the toner cartridge and install a new
one. See page 53.
SUGGESTED SOLUTIONS