Issue Cause Solution
Random toner specks appear
on the printed page.
.
The media you are using does
not meet HP’s specifications
(for example, it is too moist or
too rough).
Make sure that the media meets
specifications detailed in the HP
LaserJet Printer Family Print
Media Guide.
The print path needs to be
cleaned.
Clean the print path. (See
chapter 4.)
Characters are only partially
printed (also referred to as
dropouts).
A single sheet of paper is
defective.
Try reprinting the job.
The print density needs to be
adjusted.
Adjust the print density from the
toolbox utility (Settings tab).
The moisture content of the
paper is inconsistent, or the
paper has moist or wet spots on
the surface.
Make sure that the media meets
HP’s specifications.
The paper was damaged by
inconsistent manufacturing
processes.
Make sure that the media meets
specifications detailed in the HP
LaserJet Printer Family Print
Media Guide.
EconoMode is selected in the
software.
Deselect EconoMode.
The wrong type of paper is
selected in the printer properties
dialog.
Select the correct media type
under "Type is" (in the printer
properties dialog, on the Paper
tab).
The print cartridge is depleted
or damaged.
Replace the print cartridge.
Vertical black lines appear on
the printed page.
The print cartridge is depleted
or damaged.
Replace the print cartridge.
Rarely, the fuser is defective.
Replace the fuser.
94 Chapter 6 Troubleshooting ENWW
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