The lights on the front of the HP product can be on, off, or blinking (flashing), depending on the status of the product. The lights indicate product status and are useful for diagnosing printing problems.
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Print Cartridge lights
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Printhead lights
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Configuration Page button (available on some models)
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Cancel button
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Resume light
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Power light
Figure : Lights and buttons on the product control panel

The following sections describe the most common combinations of blinking lights, followed by solutions for each combination. Find the blinking lights pattern you are experiencing, and then follow the steps to resolve the issue.