Operation Manual
EN
Errors 139
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 Print Media
Guide for the HP LaserJet printer family.
The printer needs to be cleaned. Clean the printer. (See “Cleaning the
print path” on page 47.)
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 device
configuration utility.
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 Print Media
Guide for the HP LaserJet printer family.
A draft mode or economy mode is
selected in the software.
Try the normal or best setting.
The toner cartridge is defective. Replace the toner cartridge.
Vertical lines
appear on the
printed page.
The priority input tray is not in place. Adjust the priority input tray.
The photosenstive drum inside the toner
cartridge is scratched.
Replace the toner cartridge.
The fuser is damaged or has an
obstruction.
Replace the fuser.
Table 17. Solving print image-quality problems (continued)
Problem Cause Solution