Samsung ML-3050 Manual page 50

Condition
Vertical lines
AaBbCc AaBbCc
If black vertical streaks appear on the page:
AaBbCc AaBbCc
• The drum inside the toner cartidge has
AaBbCc AaBbCc
probably been scratched. Install a new toner
AaBbCc AaBbCc
cartidge.
AaBbCc AaBbCc
If the amount of background shading becomes
Gray background
unacceptable, the procedures below may fix the
problem.
AaBbCc
• Change to lighter weight pages. See page 5.3.
AaBbCc
• Check the printer's environment; very dry (low
AaBbCc
humidity) or high humidity (higher than 80%
AaBbCc RH) conditions can increase the amount of
background shading.
AaBbCc
• Remove the old toner cartidge and install a
new one. See page 8.4.
Toner smear
• Clean the inside of the printer. See page 8.1.
• Check the type and quality. See page 5.2.
• Remove the toner cartidge and install a new
one. See page 8.4.
If marks repeatedly appear on the printed side of
the page at even intervals:
• The toner cartidge may be damaged. If a
Vertical repetitive
repetitive mark occurs on the page, print a
defects
cleaning sheet several times to clean the
A a B b C c
cartridge; see page 8.2. After the printout, if
you still have the same problems, install a new
A a B b C c
toner cartidge. See page 8.4.
A a B b C c
• Parts of the printer may have toner on them. If
A a B b C c
the defects occur on the back of the page, the
A a B b C c
problem will likely correct itself after a few
more pages.
• The fusing assembly may be damaged.
Contact a service representative.
Suggested solutions Condition
Background scatter results from bits of toner
distributed on the printed page.
• The paper may be too damp. Try printing with
Background
scatter
• If background scatter occurs on an envelope,
A
• If background scatter covers the entire
Misformed
• If characters are improperly formed and
characters
• If characters are improperly formed and
Page skew
• Ensure that the paper is loaded properly.
• Check the paper type and quality. See
• Ensure that the paper or other material is
Curl or wave
• Ensure that the paper is loaded properly.
• Check the type and quality. Both high
• Turn over the stack of paper in the tray. Also
• Try printing to the rear cover (face-up).
9.12
<Troubleshooting>
Suggested solutions
a different batch of paper. Do not open
packages of paper until necessary so that the
paper does not absorb too much moisture.
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
via the printer properties window.
producing hollowed images, the paper stock
may be too slick. Try a different paper. See
page 5.3.
producing a wavy effect, the scanner unit may
need service. Verify that it also occurs on a
demo page (see page 2.6). For service,
contact a service representative.
page 5.2.
loaded correctly and the guides are not too
tight or too loose against the paper stack.
temperature and humidity can cause paper
curl. See page 5.2.
try rotating the paper 180° in the tray.