Samsung SF-650 - Manual (Page 66)

Troubleshooting_ 65
Copying problems
Loose toner • Clean the inside of the machine (See "Cleaning the inside" on page 48).
• Check the paper type and quality (See "Print media specifications" on page 71).
• Remove the toner cartridge and then, install a new one (See "Replacing the toner
cartridge" on page 68).
• If the problem persists, the machine may require repair. Contact a service representative.
Character Voids Character voids are white areas within parts of characters that should be solid black:
• 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 71).
Horizontal stripes If horizontally aligned black streaks or smears appear:
• The toner cartridge may be installed improperly. Remove the cartridge and reinsert it.
• The toner cartridge may be defective. Remove the toner cartridge and install a new one
(See "Replacing the toner cartridge" on page 68).
• 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.
CONDITION SUGGESTED SOLUTION
Copies are too light or too
dark Use Darkness in Copy Setup to lighten or darken the backgrounds of copies (See
"Changing the darkness" on page 31).
Smears, lines, marks, or
spots appear on copies. • If the defects are on the original, use Darkness in Copy Setup to lighten the
background of your copies (See "Changing the darkness" on page 31).
Copy image is skewed. • Ensure that the original is face down in the document feeder.
• Check that the copy paper is loaded correctly.
Blank copies print out. Ensure that the original is face down in the document feeder.
Image rubs off the copy
easily. • 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.
CONDITION SUGGESTED SOLUTIONS
A
A a B b C
A a B b C
A a B b C
A a B b C
A a B b C