Service manual

Problem Cause Solution
One or more print cartridges might be
low. If you are using non-HP print
cartridges, no messages appear on the
device control panel or in the
HP Toolbox.
Replace any low print cartridges.
Toner smears appear on the media.
The media might not meet HP
specifications.
Use media that meets HP specifications.
If toner smears appear on the leading
edge of the paper, the media guides
are dirty, or debris has accumulated in
the print path.
Clean the media guides and the paper
path.
The toner smears easily when touched.
The device is not set to print on the
type of media on which you want to
print.
In the printer driver, select the Paper
tab and set Type is to match the type
of media on which you are printing.
Print speed might be slower if you are
using heavy paper.
The media might not meet HP
specifications.
Use media that meets HP specifications.
The paper path might need cleaning. Clean the device.
Marks repeatedly appear at even
intervals on the printed side of the page.
The device is not set to print on the
type of media on which you want to
print.
In the printer driver, select the Paper
tab and set Type is to match the type
of paper on which you are printing.
Print speed might be slower if you are
using heavy paper.
For more information, see
Repetitive
image defect ruler on page 149.
Internal parts might have toner on them. The problem typically corrects itself
after a few more pages.
The paper path might need cleaning. Clean the device.
The fuser might be damaged or dirty. Clean using instructions in HP Toolbox.
A print cartridge may have a problem. To determine which cartridge has a
problem, print the PQ diagnostics page
from HP Toolbox.
Marks repeatedly appear at even
intervals on the unprinted side of the
page.
Internal parts might have toner on them. The problem typically corrects itself
after a few more pages.
The paper path might need cleaning. Clean the device.
Table 6-13 General print quality issues (continued)
ENWW Troubleshooting tools 141