HP Officejet Pro 8500 - Maintain the printheads

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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.

Chapter 11

176

Maintain and troubleshoot

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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 print quality diagnostic page

.

3. Clean the printheads. For more information, see

To clean the printheads

.

4. Replace the printheads if the problems persist after cleaning. For more

information, see

To replace the printheads

.

This section covers the following printhead maintenance tasks:

To check printhead health

To print the print quality diagnostic page

To align the printheads

To calibrate the linefeed

To clean the printheads

To clean the printhead contacts manually

To replace the printheads