Check printhead health, Print the print quality – HP Officejet Pro L7480 All-in-One Printer User Manual
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When the quality of printouts deteriorates, complete the relevant steps based on the
following sequence:
1. Check the health of the printheads. For more information, see
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
Print the print quality diagnostic page
3. Manually clean the printhead contacts. For more information, see
.
4. Replace the printheads if the problems persist after cleaning. For more
.
CAUTION:
HP is not responsible for damage to the device that results from
modifying the printheads.
Check printhead health
Use one of the following means to check the printhead health. If the status of any
printhead is not good or fair, then perform one or more of the maintenance functions,
or clean or replace the printhead.
•
Self-Test Diagnostic page: Print the self-test diagnostic page on a clean sheet of
white paper, and check the printhead health section. For more information, see
Understand the self-test diagnostic page
•
Toolbox (Windows): Open the Toolbox. For more information, see
. Click the Information tab, and then click Printhead Health.
•
HP Printer Utility (Mac OS): Open the HP Printer Utility. For more information,
see
. Select Supply Status tab, and then click Printhead.
Print the print quality diagnostic page
Use the print quality diagnostic page to diagnose issues affecting the print quality. This
will help you decide whether to run any maintenance tools to improve the print quality
of your printouts. You can also view the ink level information, and the printhead health
status on the page.
•
Control panel: Press the Setup button, select Print Report, select Print Quality
Page, and then press OK.
•
Toolbox (Windows): Click the Services tab, and then click Print PQ (print
quality) diagnostic page and follow the onscreen instructions.
•
HP Printer Utility (Mac OS): Click Print Quality Diagnostics from the
Information and Support panel.
Chapter 8
58
Maintain and troubleshoot