To clean the printhead contacts manually – HP Officejet Pro 8500A User Manual

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HP Software (Windows): Open the HP software that was included with the
printer. Click the Device Services tab, and then click Clean Printheads and follow
the onscreen instructions.

•

HP Utility (Mac OS X): Click the HP Utility icon in the Dock, and then click Clean
Printheads.

To clean the printhead contacts manually

After the printheads are installed, you might get a control-panel message telling you
the printer cannot print. If you receive this message, you might need to clean the
electrical contacts on the printheads and in the printer. Make sure there is paper in the
printer before you start. See Load media for more information.

CAUTION: Electrical contacts contain sensitive electronic components that can
be damaged easily.

1. Open the top cover.

2. Touch Change Printheads on the printer control panel. Wait for the carriage to

stop moving, and then unplug the power cord from the printer.

3. Lift the printhead latch.

Solve print quality problems

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