Problem Cause Solution
Black dots or streaks
appear on the copy.
Ink, glue, correction fluid, or an
unwanted substance might be on the
flatbed scanner.
Clean the device. See Cleaning the device on page 67.
Copies are too light or
dark.
The printer driver or device settings
may be incorrect.
Verify that the quality settings are correct. See Adjusting
the copy quality on page 42.
Text is unclear. The printer driver or device settings
may be incorrect.
Verify that the quality settings are correct. See Adjusting
the copy quality on page 42.
Media-handling problems
Problem Cause Solution
Poor print quality or toner
adhesion
The paper is too moist, too rough, too
heavy or too smooth, or it is embossed
or from a faulty paper lot.
Try another kind of paper, between 100 and 250 Sheffield,
4 to 6% moisture content.
Dropouts, jamming, or
curl
The paper has been stored incorrectly. Store paper flat in its moisture-proof wrapping.
The paper has variability from one side
to the other.
Turn the paper over.
Excessive curl The paper is too moist, has the wrong
grain direction, or is of short-grain
construction.
Use long-grain paper, or use the Less paper curl setting.
See
Reducing paper curl on page 100.
The paper varies from side-to-side. Turn the paper over.
Jamming, damage to
device
The paper has cutouts or perforations. Use paper that is free of cutouts or perforations.
Problems with feeding The paper has ragged edges. Use high-quality paper that is made for laser printers.
The paper varies from side-to-side. Turn the paper over.
The paper is too moist, too rough, too
heavy or too smooth, has the wrong
grain direction, or is of short-grain
construction or it is embossed or from
a faulty paper lot.
Try another kind of paper, between 100 and 250 Sheffield,
4 to 6% moisture content, or use long-grain paper.
Print is skewed (crooked). The media guides might be incorrectly
adjusted.
Remove all media from the input tray, straighten the stack,
and then load the media in the input tray again. Adjust the
media guides to the width and length of the media that you
are using and try printing again.
92 Chapter 9 Problem solving ENWW
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