Samsung CLX-8380ND User Manual page 114

Condition
White Spots White spots appears on the page:
• The paper is too rough and a lot of dirt from
a paper falls to the inner devices within the
machine, so the transfer roller may be dirty.
Clean the inside of your machine.
(Page 11.2) 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 drum inside the printer has probably
been scratched. Remove the imaging unit
and install a new one. (Page 11.5)
If white vertical streaks appear on the page:
• The surface of the LSU part inside the
machine may be dirty. Clean the LSU.
Contact a service representative.
If vertical streaks appear on the page:
• The surface of the scanner glass and its
white sheet may be dirty. Clean these unit.
See 11.2 . If this problem persists, contact a
service representative.
Color or Black If the amount of background shading becomes
background unacceptable:
• Change to a lighter weight paper. (Page 4.3)
• 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.
• Remove the old imaging unit and then,
install a new one. (Page 11.4)
Toner smear • Clean the inside of the machine. Contact a
service representative.
• Check the paper type and quality.
(Page 4.3)
• Remove the imaging unit and then, install a
new one. (Page 11.4)
Suggested solutions Condition
Vertical repetitive If marks repeatedly appear on the printed side
defects of the page at even intervals:
• The imaging unit may be damaged. If a
• Parts of the machine may have toner on
• The fusing assembly may be damaged.
Background scatter Background scatter results from bits of toner
randomly distributed on the printed page.
• The paper may be too damp. Try printing
• If background scatter occurs on an
• If background scatter covers the entire
Misformed • If characters are improperly formed and
characters
• If characters are improperly formed and
12.18
<Troubleshooting>
Suggested solutions
repetitive mark occurs on the page, run a
cleaning sheet through several times to
clean the cartridge; contact a service
representative. After the printout, if you still
have the same problems, remove the
imaging unit and then, install a new one.
(Page 11.4)
them. If the defects occur on the back of the
page, the problem will likely correct itself
after a few more pages.
Contact a service representative.
with a different batch of paper. Do not open
packages of paper until necessary so that
the paper does not absorb too much
moisture.
envelope, change the printing layout to
avoid printing over areas that have
overlapping seams on the reverse side.
Printing on seams can cause problems.
surface area of a printed page, adjust the
print resolution through your software
application or in printer properties.
producing hollow images, the paper stock
may be too slick. Try different paper.
(Page 4.3)
producing a wavy effect, the scanner unit
may need service. Contact a service
representative.