Dell 5330dn Workgroup Mono Laser Printer User Manual page 121

Toner specks The paper may not meet specifications; for example, the paper is too moist
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or too rough. See
The transfer roller may be dirty. Clean the inside of your printer. See
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"Cleaning the
The paper path may need cleaning. See
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Dropouts If faded areas, generally rounded, occur randomly on the page:
A single sheet of paper may be defective. Try reprinting the job.
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The moisture content of the paper is uneven or the paper has moist spots
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on its surface. Try a different brand of paper. See
The paper lot is bad. The manufacturing process can cause some areas to
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reject toner. Try a different kind or brand of paper.
The toner cartridge may be defective. See
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the next page.
If these steps do not correct the problems, contact a service representative.
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Vertical lines If black vertical streaks appear on the page, the drum inside the toner
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cartridge has probably been scratched. Install a new toner cartridge. See
"Replacing the Toner
If white vertical streaks appear on the page, the surface of the LSU part inside
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the printer may be dirty. Clean the LSU (see
Gray background If the amount of background shading becomes unacceptable:
Change to lighter weight pages. See
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Check the printer's environment; very dry (low humidity) or high humidity
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(higher than 80% RH) conditions can increase the amount of background
shading.
Remove the old toner cartridge and install a new one. See
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Toner
Toner smear Clean the inside of the printer. See
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Check the paper type and quality. See
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Remove the toner cartridge and install a new one. See
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Cartridge".
Vertical repetitive If marks repeatedly appear on the printed side of the page at even intervals:
defects
The toner cartridge may be damaged. If a repetitive mark occurs on the page,
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print a cleaning sheet several times to clean the cartridge. See
cleaning
a new toner cartridge. See
Parts of the printer may have toner on them. If the defects occur on the back
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of the page, the problem will likely correct itself after a few more pages.
The fusing assembly may be damaged. Contact a service representative.
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Background scatter Background scatter results from bits of toner distributed on the printed page.
The paper may be too damp. Try printing with a different batch of paper. Do
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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
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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
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the print resolution through your software application or the printer
properties.
Misformed characters If characters are improperly formed and produce hollow images, the paper
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stock may be too slick. Try a different paper. See
If characters are improperly formed and produce a wavy effect, the scanner
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unit may need service. For service, contact a service representative.
Page skew Ensure the paper is loaded properly.
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"Paper Specifications".
Interior".
Cartridge".
"Paper
Cartridge".
"Cleaning the
"Paper
sheet". After the printout, if you still have the same problems, install
"Replacing the Toner
"Cleaning the Interior".
"Paper Specifications".
"Vertical repetitive defects" on
"Cleaning the Interior").
Specifications".
"Replacing the
Interior".
Specifications".
"Replacing the Toner
"Printing a
Cartridge".
"Paper Specifications".