Maintain the printheads, To check printhead health, To print the print quality diagnostic – HP Officejet Pro 8000 - A809 User Manual

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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.
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 clean the printheads

To clean the printhead contacts manually

To calibrate the linefeed

To replace the printheads

To check printhead health

Use one of the following means to check the printhead health. If the status of any
printhead is replace, then perform one or more of the maintenance functions, or clean
or replace the printhead.

Configuration Page: Print the configuration page on a clean sheet of white paper,
and check the printhead health section. For more information, see

Understand the

self-test diagnostic page

.

Embedded Web server: Open the embedded Web server. For more information,
see

To open the embedded Web server

. Click the Information tab, and then click

Ink Supplies in the left pane.

HP Toolbox (Windows): Open the HP Toolbox. For more information, see

Open

the HP Toolbox

. Click the Information tab, and then click Printhead Health.

To 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 services to improve the print

Maintain the printheads

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