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error HP
Error Code E6
The printer is in an error state. A general printer error has occurred.
? What Causes This
Various printer hardware or firmware issues.
✓ How to Fix It
- Turn off the printer.
- Unplug the power cord.
- Wait a minute, and then plug the power cord back in.
- Turn on the printer. If the problem persists, contact HP.
Source: page 15 of the official manual
From the manual
This error code appears in:
HP Smart Tank 6000 Printer