Copying Problems - Samsung SCX-812x Series User Manual

Condition
Character Voids Character voids are white areas within parts of
characters that should be solid black:
• If you are using transparencies, try another
A
type of transparency. Because of the
composition of transparencies, some
character voids are normal.
• You may be printing on the wrong surface of
the paper. Remove the paper and turn it
around.
• The paper may not meet paper
specifications (see "Print media
specifications" on page 165).
Horizontal stripes If horizontally aligned black streaks or smears
appear:
• The imaging unit may be installed
improperly. Remove the imaging unit and
reinsert it.
• The imaging unit may be defective. Remove
the imaging unit and install a new one.
Contact a service representative.
• If the problem persists, the machine may
require repair. Contact a service
representative.
Curl If the printed paper is curled or paper does not
feed into the machine:
• Turn the stack of paper over in the tray. Also
try rotating the paper 180° in the tray.
• Change the printer option and try again. Go
to Printing Preferences, click Paper tab,
and set type to thin paper (see "Opening
printing preferences" on page 101).
An unknown image Your machine is probably being used at an
repetitively altitude of 1,000 m (3,281 ft) or above.
appears on a few
The high altitude may affect the print quality,
sheets or loose
such as loose toner or light imaging. Change the
toner, light print, or
correct altitude setting to your machine.
contamination
occurs.
Suggested Solutions
Troubleshooting_ 155

Copying problems

Condition
Copies are too light Use Light and Dark arrows to lighten or darken
or too dark the backgrounds of copies in the Basic tab of
the Copy menu.
Smears, lines, • If the defects are on the original, press
marks, or spots left/right arrow to lighten the background of
appear on copies. your copies in the Basic tab of the Copy
menu (see "Changing the darkness" on
page 54).
• If there are no defects on the original, clean
the scan unit. Cleaning the scan unit or
contact a service representative.
Copy image is • Ensure that the original is face down on the
skewed. scanner glass or face up in the DADF.
• Check that the copy paper is loaded correctly.
• If the problem persists, the machine may
require repair. Contact a service
representative.
Blank copies print Ensure that the original is face down on the
out. scanner glass or face up in the DADF.
Image rubs off the • Replace the paper in the tray with paper from
copy easily. a new package.
• In high humidity areas, do not leave paper in
the machine for extended periods of time.
Frequent copy paper • Fan the stack of paper, then turn it over in the
jams occur. tray. Replace the paper in the tray with a fresh
supply. Check/adjust the paper guides, if
necessary.
• Ensure that the paper is the proper paper
weight.
• Check for copy paper or pieces of copy paper
remaining in the machine after a paper jam
has been cleared.
Toner cartridge • Your originals may contain pictures, solids, or
produces fewer heavy lines. For example, your originals may
copies than be forms, newsletters, books, or other
expected before documents that use more toner.
running out of toner.
• The DADF may be left open while copies are
being made.
• The machine may be turned on and off
frequently.
Suggested solution