74 Chapter 3 - Troubleshooting Q1342-90910
The printed
page has a
gray
background.
The print density setting is set too heavy. Decrease the amount of background
shading through the device configuration
utility.
The media basis weight is too heavy. Change the media to a light basis weight.
The humidity level is too low. Very low humidity can increase the
amount of background shading. Move
the printer to a different location, or
decrease the background shading
through the device configuration utility.
The toner cartridge needs to be
replaced.
Replace the toner cartridge. See “Toner
cartridge” on page 15.
Toner smears
appear on the
printed page.
If the toner smears appear on the leading
edge of the media, the media guides are
dirty.
Wipe the media guides with a dry, lint-
free cloth.
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 toner cartridge needs to be
replaced.
Replace the toner cartridge.
The fuser temperature is too low. Select Optimize for: in the Paper tab of
the printer driver. Make sure that it is set
for the appropriate media.
The toner is
loose, and it
does not stay
attached to
the printed
page.
The inside of the printer is dirty. Clean the printer. See your
HP LaserJet 1000 Series user guide.
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 toner cartridge needs to be
replaced.
Replace the toner cartridge.
The high voltage contacts are dirty or
damaged.
See see “High-voltage power supply
check” on page 84.
The high voltage contacts are are not in
proper contact with the toner cartridge.
Verify the high voltage contacts are
installed correctly and are properly
contacting the toner cartridge.
The printer driver is not set for the correct
media.
1. Select Optimize for: in the Paper tab
of the printer driver. Select the correct
media.
2. Select the correct media through the
device configuration utility.
The power strip is not working correctly. Plug the printer directly into an ac outlet.
Table 11. Solving print image-quality problems (continued)
Problem Cause Solution
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