Service manual

Toner smears appear on the printed page.
Cause Solution
The wrong type of media is selected in the Printer
Preferences dialog box.
Open the Printer Properties dialog box, and then click
Printing Preferences. Select the correct media type from the
Type Is drop down menu. Click OK to close the Printing
Preferences dialog box, and then click OK again to close the
Printer properties dialog box.
The fuser is damaged. Perform the Half self-test functional check on page 124.
If the error persists, replace the fuser.
If, after replacing the fuser, the error persists, replace the ECU.
The toner is loose, and it does not stay attached to the printed page.
Cause Solution
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 path needs to be cleaned. Clean the print path. See Cleaning the print path on page 31.
The wrong type of media is selected in the Printer
Preferences dialog box.
Open the Printer Properties dialog box, and then click
Printing Preferences. Select the correct media type from the
Type Is drop down menu. Click OK to close the Printing
Preferences dialog box, and then click OK again to close the
Printer properties dialog box.
The power strip is not working correctly or the ac power does
not meet the specified requirements.
Plug the product directly into an ac outlet. Ensure that the
power source is clean.
The printer is operating in humidity or temperature conditions
that are not within the recommended ranges.
Move the product to a different location.
The fuser is damaged. Perform a Half self-test functional check on page 124.
If the error persists, replace the fuser.
Table 6-6 Solving print-quality problems (continued)
116 Chapter 6 Troubleshooting ENWW