CAUTION
Note
Checking the printheads
If the Toolbox is installed on a computer running Windows, you can check the health of the printheads. Replace the printheads when print quality degrades. You can also check the quality by printing a printer configuration page. See “Printing a configuration page”.
To check the printheads from the Toolbox
1Open the Toolbox.
2On the Information tab, click Printhead Health.
3Check the status of each of the printheads.
4If the status of one or more printheads is listed as Bad, replace the printhead. See “Replacing the printheads”.
To check the printheads using a printer configuration page
Print a printer configuration page by holding down the 
(power button) and pressing the 
(cancel button) on the printer once. Release the 
(power button).
Cleaning the printheads
HP is not responsible for damage to the printer that results from modifying the printheads.
If the printed characters are incomplete, or if dots or lines are missing from the printouts, you might need to clean the printheads. This is a symptom of clogged ink nozzles, which are a result of prolonged exposure to air.
Clean the printheads from the Toolbox (Windows) or the HP Inkjet Utility (Mac OS). Or, follow the procedures below for cleaning the printheads from the control panel.
There are three cleaning levels available. Run the level 1 cleaning. Only run the level 2 cleaning if the results of the first cleaning were unsatisfactory. Similarly, only run the level 3 cleaning if the results of the second cleaning were unsatisfactory.
Only clean the printheads when necessary; cleaning the printheads uses ink and shortens the life of the printheads.
To clean the printheads from the Toolbox
1Open the Toolbox.
2Click the Printer Services tab.
3Click Clean Printheads and follow the instructions on the screen.
To clean the printheads from the HP Inkjet Utility
1Open the HP Inkjet Utility.
2Click Clean and follow the instructions on the screen.
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