HP P1102w Owner's Manual

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Toner smear
If toner smears appear on the leading edge of the
media, the media guides might be dirty. Wipe the media
guides with a dry, lint-free cloth.
Check the media type and quality.
The fuser temperature might be too low. In the printer
driver, make sure the appropriate media type is selected.
Try installing a new genuine HP print cartridge.
Loose toner
The fuser temperature might be too low. In the printer
driver, make sure the appropriate media type is selected.
Clean the inside of the product. See 
.
Check the media quality.
Plug the product directly into an AC outlet instead of into
a power strip.
Vertical repetitive defects
The print cartridge might be damaged. If a repetitive
mark occurs at the same spot on the page, install a new
genuine HP print cartridge.
The internal parts might have toner on them. If the defects
occur on the back of the page, the problem probably
will correct itself after a few more printed pages.
In the printer driver, make sure the appropriate media
type is selected.
Misformed characters
If characters are improperly formed, producing hollow
images, the media stock might be too slick. Try a
different media.
If characters are improperly formed, producing a wavy
effect, the product might need service. Print a
configuration page. If the characters are improperly
formed, contact an HP-authorized dealer or service
representative.
ENWW
Solve image-quality problems
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