Samsung SCX-4520, User Manual

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T
ROUBLESHOOTING
9.19
9
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.
Pages print, but
are blank.
The toner cartridge is
defective or out of
toner.
Redistribute the toner, if necessary. See
page 8.7.
If necessary, replace the toner cartridge.
The file may have
blank pages.
Check the file to ensure that it does not
contain blank pages.
Some parts, such as
the controller or the
board, may be
defective.
Contact a service representative.
The illustrations
print incorrectly
in Adobe
Illustrator.
The setting in the
software application is
wrong.
Select Download as Bit Image in the
TrueType Options window of the
Graphic properties and print the
document again.
Condition Possible cause Suggested solutions
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 “Redistributing Toner”
on page 8.7. 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 “Paper
Specifications” on page F.6.
• If the entire page is light, the print resolution setting is too
low or the toner save mode is on. Adjust the print
resolution and turn the toner save mode off. See page 4.8
and page 2.23, respectively.
• A combination of faded or smeared defects may indicate
that the toner cartridge needs cleaning. See “Cleaning the
Drum” on page 8.11.
• The surface of the LSU part inside the machine may be
dirty. Clean the LSU (see page 8.5).
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