Samsung CLP-660 User Manual
7.13
<Troubleshooting>
White Spots
White spots appear on the page:
• The paper is too rough and a lot of dirt from
• The paper is too rough and a lot of dirt from
the paper falls to the inner devices within
the machine, which means the transfer belt
may be dirty. Clean the inside of your
machine. Contact a service representative.
the machine, which means the transfer belt
may be dirty. Clean the inside of your
machine. Contact a service representative.
• The paper path may need cleaning. Contact
a service representative.
Vertical lines
If black vertical streaks appear on the page:
• The toner cartridge has probably been
• The toner cartridge has probably been
scratched. Remove the toner cartridge and
install a new one.
install a new one.
If white vertical streaks appear on the page:
• Clean the inside of the machine. Contact a
• Clean the inside of the machine. Contact a
service representative to clean the inside of
the machine.
the machine.
Color or Black
background
background
• Check the environmental conditions: very
dry conditions (low humidity) or a high level
of humidity (higher than 80% RH) can
increase the amount of background
shading.
of humidity (higher than 80% RH) can
increase the amount of background
shading.
• Remove the old toner cartridge, and then
install a new one. (See "Replacing the toner
cartridge" on page 6.4.)
cartridge" on page 6.4.)
Toner smear
• Clean the inside of the machine. Contact a
service representative to clean the inside of
the machine.
the machine.
• Check the paper type and quality. (See
• Remove the paper transfer belt, and then
install a new one. (See "Replacing the toner
cartridge" on page 6.4.)
cartridge" on page 6.4.)
Condition
Suggested solutions
Vertical repetitive
defects
defects
If marks repeatedly appear on the printed side
of the page at even intervals:
• Clean the inside of the machine. Contact a
of the page at even intervals:
• Clean the inside of the machine. Contact a
service representative to clean the inside of
the machine. After cleaning the inside of the
machine, if you still have the same
problems, install a new toner cartridge of the
problem color. See "Replacing the toner
cartridge" on page 6.4.
the machine. After cleaning the inside of the
machine, if you still have the same
problems, install a new toner cartridge of the
problem color. See "Replacing the toner
cartridge" on page 6.4.
• Parts of the machine may have toner on
them. If the defects occur on the back of the
page, the problem will likely correct itself
after a few more pages.
page, the problem will likely correct itself
after a few more pages.
• The fusing assembly may be damaged.
Contact a service representative.
Background scatter
Background scatter results from bits of toner
randomly distributed on the printed page.
• The paper may be too damp. Try printing
randomly distributed on the printed page.
• The paper may be too damp. Try printing
with a different batch of paper. Do not open
packages of paper until necessary so that
the paper does not absorb too much
moisture.
packages of paper until necessary so that
the paper does not absorb too much
moisture.
• If background scatter occurs on an
envelope, change the printing layout to
avoid printing over areas that have
overlapping seams on the reverse side.
Printing on seams can cause problems.
avoid printing over areas that have
overlapping seams on the reverse side.
Printing on seams can cause problems.
• If background scatter covers the entire
surface area of a printed page, adjust the
print resolution through your software
application or in printer properties.
print resolution through your software
application or in printer properties.
Misformed
characters
characters
• If characters are improperly formed and
producing hollow images, the paper stock
may be too slick. Try different paper. (See
"Specifications on print media" on page 4.2.)
may be too slick. Try different paper. (See
"Specifications on print media" on page 4.2.)
Page skew
• Ensure that the paper is loaded properly.
• Check the paper type and quality. (See
• Check the paper type and quality. (See
• Ensure that the paper or other material is
loaded correctly and the guides are not too
tight or too loose against the paper stack.
tight or too loose against the paper stack.
Condition
Suggested solutions