8 Printer lights reference
The printer lights indicate printer status and are useful for diagnosing printing problems. This section contains information about the printer lights, what they indicate, and what action to take if necessary.
Control panel lights
1Power button and light
2Cancel button
3Resume button and light
4Paper Jam light
5Door Open light
6Out of Paper light
7Color indicator lights
8Printhead light
9Ink Cartridge light
Network connector lights (HP Officejet Pro K850dn Color Printer)
1Link light
2Activity light
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