HP Officejet Pro 8000 User Manual

5
Maintain and troubleshoot
This section contains the following topics:
•
Supported ink cartridges
•
Replace the ink cartridges
•
Maintain the printheads
•
Store printing supplies
•
Troubleshooting tips and resources
•
Solve printing problems
•
Poor print quality and unexpected printouts
•
Solve paper-feed problems
•
Solve device management problems
•
Solve network problems
•
Solve wireless problems
•
Troubleshoot installation issues
•
Clear jams
•
Errors
Supported ink cartridges
Ordering cartridges...

Replace the ink cartridges
You can check the estimated ink levels from the HP Toolbox (Windows), the HP
Printer Utility (Mac OS X), or the embedded Web server. For information about using
these tools, see 
Use device management tools. You can also print the configuration
page to view this information (see 
Understand the self-test diagnostic page).
NOTE:Ink level warnings and indicators provide estimates for planning purposes
only. When you receive a low-ink warning message, consider having a
replacement...

Maintain the printheads
If printed characters are incomplete, or printouts are streaked, the ink nozzles might be
clogged, and you might need to clean the printheads.
When the quality of printouts deteriorates, follow the steps below:
1.Check the health of the printheads. For more information, see 
To check printhead
health.
2.Print the print quality diagnostic page on a clean sheet of white paper. Evaluate
any problem areas, and perform the recommended actions. For more information,
see 
To print the...

quality of your printouts. You can also view the ink level information and the printhead
health status on the page.
•
Control panel: Press and hold the 
 Power button, press the  Cancel button
seven times, press the 
Resume button two times, and release the  Power
button.
•Embedded Web server: Click the Settings tab, click Device Services in the left
pane, select Print PQ (print quality) diagnostic page from the drop-down list in
the Print Quality section, and then click Run Diagnostic.
•HP Toolbox...

1Printer Information: Shows device information (such as the product model number, serial
number, and firmware version number), the number of pages printed from the trays and
duplexer, the ink level information, and the printhead health status.
NOTE:Ink level warnings and indicators provide estimates for planning purposes only.
When you receive a low-ink warning message, consider having a replacement cartridge
available to avoid possible printing delays. You do not need to replace cartridges until...

•HP Toolbox (Windows): Click the Services tab, click Clean Printheads and
follow the onscreen instructions.
•HP Printer Utility (Mac OS X): Click Clean from the Information and Support
panel.
To clean the printhead contacts manually
After the printheads are installed, one or more of the printhead lights might be blinking.
If the printhead lights are blinking, you might need to clean the electrical contacts on
the printheads and in the device.
CAUTION:Electrical contacts contain sensitive electronic...

6.Obtain a clean, dry, soft, and lint-free cleaning material. Suitable materials include
paper coffee filters and eyeglass lens cleaning paper.
CAUTION:Do not use water.
7.Wipe the electrical contacts on the printhead, but do not touch the nozzles.
CAUTION:The electrical contacts are small copper-color squares, grouped
on one face of the printhead.
The nozzles are on a different face of the printhead. Ink will be visible on the
nozzles.
Touching the nozzles can cause permanent nozzle damage. Also, ink...

12.Close the cover.
13.If the printhead light is still blinking, repeat the cleaning procedure described above
for the printhead which corresponds to the blinking printhead light.
14.If the printhead light continues to blink, replace the printhead which corresponds to
the blinking printhead light.
15.Wait while the device initializes the printheads and prints the alignment pages. If
the device does not print the pages, start the alignment process manually. For
more information, see 
To align the...

5.Lift the handle of a printhead, and use it to pull the printhead out of its slot.
6.Before installing a printhead, shake the printhead up and down at least six times
while the printhead is still in its packaging.
7.Remove the new printhead from its package, and then remove its orange
protective caps.
CAUTION:Do not shake printheads after the caps are removed.
Maintain the printheads65
 

8.Insert the printhead into its color-coded slot (the label on the printhead must match
the label on the printhead latch). Press down firmly on the printhead to ensure
proper contact.
9.Pull the printhead latch all the way forward, and then press down to ensure that
the latch is properly engaged. You might have to apply some pressure to engage
the latch.
10.Close the cover.
11.Wait while the device initializes the printheads and prints the alignment pages. If
the device does not print the pages, start...