HP Officejet Pro K850dn Printer - Manual (Page 113)

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
1 Power button and light
2 Cancel button
3 Resume button and light
4 Paper Jam light
5 Door Open light
6 Out of Paper light
7 Color indicator lights
8 Printhead light
9 Ink Cartridge light
Network connector lights (HP Officejet Pro K850dn Color Printer)
1 Link light
2 Activity light
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