HP Officejet 7612 Wide Format e-All-in-One - Manual (Page 283)

Printer failure
There was a problem with the printer. Usually, you can resolve such problems by completing the
following steps:
1. Press the (Power) button to turn off the printer.
2. Unplug the power cord, and then plug in the power cord again.
3. Press the (Power) button to turn on the printer.
If this problem persists, write down the error code provided in the message, and then contact HP
support. For more information about contacting HP support, see HP support on page 97.
266 Appendix G Errors (Windows) ENWW