Copying Problems - Samsung SCX-4321 User Manual

Condition
Back of Check for leaking toner. Clean the inside of the machine.
printouts are See "Cleaning the Inside" on page 8.2.
dirty
Black pages • The toner cartridge may not be installed properly.
Remove the cartridge and reinsert it.
• The toner cartridge may be defective and need
A
replacing. Remove the toner cartridge and install a new
one. See "Replacing the Toner Cartridge" on page 8.4.
• The machine may require repair. Contact a service
representative.
Loose toner • Clean the inside of the machine. See "Cleaning the
Inside" on page 8.2.
• Check the paper type and quality. See "Paper
Specifications" on page 10.3.
• Remove the toner cartridge and install a new one. See
"Replacing the Toner Cartridge" on page 8.4.
• If the problem persists, the machine may require
repair. Contact a service representative.
Character Character voids are white areas within parts of characters
Voids that should be solid black:
• If you are using transparencies, try another type of
transparency. Because of the composition of
transparencies, some character voids are normal.
A
• 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
"Paper Specifications" on page 10.3.
Horizontal If horizontally aligned black streaks or smears appear:
stripes • The toner cartridge may be installed improperly.
Remove the cartridge and reinsert it.
• The toner cartridge may be defective. Remove the
AaBbCc
toner cartridge and install a new one. See "Replacing
AaBbCc
the Toner Cartridge" on page 8.4.
AaBbCc
AaBbCc • If the problem persists, the machine may require
AaBbCc repair. Contact a service representative.
Curl If the printed paper is curled or paper does not feed into
the machine:
• Turn over the stack of paper in the tray. Also try
rotating the paper 180° in the tray.
Suggested solutions

Copying Problems

Condition
Copies are too light or
too dark.
Smears, lines, marks,
or spots appears on
copies.
Copy image is skewed.
Blank copies print out.
Image rubs off the
copy easily.
Frequent copy paper
jams occur.
Toner cartridge
produces fewer copies
than expected before
running out of toner.
9.10
Troubleshooting
Suggested solutions
Use the Darkness button to darken or lighten the
background of the copies.
• If defects are on the original, press the
Darkness button to lighten the background of
your copies.
• If no defects are on the original, clean the scan
unit. See "Cleaning the Scan Unit" on page 8.3.
• Ensure that the original is face down on the
document glass or face up in the ADF (Automatic
Document Feeder).
• Check that the copy paper is loaded correctly.
Ensure that the original is face down on the
document glass or face up in the ADF.
• Replace the paper in the tray with paper from a
new package.
• In high humidity areas, do not leave paper in the
machine for extended periods of time.
• Fan the stack of paper, then turn it over in the
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
2
weight. 20 lb (75 g/m bond) paper is
recommended.
• Check for copy paper or pieces of copy paper
remaining in the machine after a paper jam has
been cleared.
• Your originals may contain pictures, solids, or
heavy lines. For example, your originals may be
forms, newsletters, books, or other documents
that use more toner.
• The machine may be turned on and off
frequently.
• The document cover may be left open while
copies are being made.