HP Officejet Pro 8500 - To clean the printheads

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To clean the printheads

NOTE: Cleaning uses ink, so clean the printheads only when necessary.
The cleaning process takes a few minutes. Some noise might be generated in the
Before cleaning the printheads, make sure you load paper. For more information,

Load media


Control panel: PressSetup, select Tools, and then select Clean Printhead.

Embedded Web server: Click the Device Settings tab, click Device Services in
the left pane, select Clean Printheads from the drop-down list in the Print Quality
section, and then click Run Diagnostic.

Toolbox (Windows): Click the Services tab, and then click Clean Printheads
and follow the onscreen instructions.

HP Printer Utility (Mac OS X): Click Clean from the Information and Support