Samsung ProXpress M458x Series, User Manual

Page: 218 / 383

Solving other problems
218
9. Troubleshooting
13
Printing quality problems
If the inside of the machine is dirty or paper has been loaded improperly, there
might be a reduction in print quality. See the table below to clear the problem.
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. If this does not improve the
print quality, install a new toner cartridge.
• The color tone might not be adjusted. Adjust the color
tone.
• The paper may not meet paper specifications; for example,
the paper may be too moist or rough (see "Print media
specifications" on page 249).
• 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 the help
screen of the printer driver.
• A combination of faded or smeared defects may indicate
that the toner cartridge needs cleaning. Contact a service
representative.
• The surface of the LSU part inside the machine may be
dirty. Clean the LSU, contact a service representative.
The top half of
the paper is
printed lighter
than the rest of
the paper The toner might not adhere properly to this type of paper.
• Change the printer option and try again. Go to Printing
Preferences , click the Paper tab, and set the paper type to
Recycled (see "Opening printing preferences" on page
66).
Toner specks • The paper may not meet specifications; for example, the
paper may be too moist or rough (see "Print media
specifications" on page 249).
• The transfer roller may be dirty. Clean the inside of your
machine. Contact a service representative.
• The paper path may need cleaning. Contact a service
representative.
• Check the location of the machine. If the area is not well-
ventilated, this problem may occur.
Condition Suggested Solutions