Samsung SCX-6545N Service Manual page 231

Condition
Toner smear
Vertical repetitive
defects
Background scatter Background scatter results from bits of toner randomly distributed on the printed
Misformed
characters
Page skew
Service Manual
CÓPIA NÃO CONTROLADA
Alignment & Troubleshooting
• Clean the inside of the machine.
• Check the paper type and quality.
• Remove the drum and toner cartridge and then, install a new one.
If marks repeatedly appear on the printed side of the page at even intervals:
• The imaging unit may be damaged. If a repetitive mark occurs on the page, run a
cleaning sheet through several times to clean the cartridge; After the printout, if
you still have the same problems, remove the imaging unit and then, install a new
one.
• 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.
• The fusing assembly may be damaged.
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.
• 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.
• If background scatter covers the entire surface area of a printed page, adjust the
print resolution through your software application or the printer properties.
• If characters are improperly formed and producing hollow images, the paper stock
may be too slick. Try a different paper.
• If characters are improperly formed and producing a wavy effect, the scanner unit
may need service.
• Ensure that the paper is loaded properly.
• Check the paper type and quality.
• Ensure that the paper or other material is loaded correctly and the guides are not
too tight or too loose against the paper stack.
CÓPIA NÃO CONTROLADA
Suggested solutions
4-106
Samsung Electronics