Service manual

The printed page has a gray background.
Cause Solution
Preferences dialog box, and then click OK again to close the
Printer properties dialog box.
The print density is too high. HP LJ 1010: Adjust the print density from the HP Toolbox (on
the Settings tab) or open the Printer Properties dialog box,
and then select the Configure tab. Use the slide bar in the
Print Density area of the dialog box to change the print density
setting. Click OK to close the Printer Properties dialog box.
HP LJ 1020: Open the Printer Properties dialog box, and then
select the Configure tab. Use the slide bar in the Print
Density area of the dialog box to change the print density
setting. Click OK to close the Printer Properties dialog box.
The media basis weight is too high. Change the media to a lower basis weight.
The print path needs to be cleaned. Clean the print path (see Cleaning the print path on page 31).
The printer is operating in humidity or temperature conditions
that are not within the recommended ranges.
Move the product to a different location.
The print cartridge is worn, damaged, or has been refilled. Replace the print cartridge.
Toner smears appear on the printed page.
Cause Solution
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.
The print path needs to be cleaned. Clean the print path (see Cleaning the print path on page 31).
The media in use does not meet HP specifications (for
example, it is too moist or too rough).
Make sure that the media meets the specifications detailed in
the HP LaserJet Printer Family Print Media Guide.
The print cartridge is worn or damaged. Replace the print cartridge.
Table 6-6 Solving print-quality problems (continued)
ENWW Print-quality troubleshooting 115