HP Officejet Pro 8000 User Guide - Page 63

Maintain the printheads, To check printhead health, To print the print quality diagnostic - service 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 59

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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
59