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Table D-2 Numeric error messages (continued)
Error code Recommendation
77:04 An Embedded Web Server internal software error has occurred. Try the following remedies:
●
Turn off the printer by using the Power key on the front panel and the power switch at the
back of the printer; disconnect the power cord; then reconnect the power cord and turn on the
printer.
●
Check that your printer firmware is up to date. See
Update the printer firmware on page 143.
If the problem persists, contact HP Support. See
HP Customer Care on page 185.
79 Firmware error. Try the following remedies:
●
Turn off the printer by using the Power key on the front panel and the power switch at the
back of the printer; disconnect the power cord; then reconnect the power cord and turn on the
printer.
●
Check that your printer firmware is up to date. See
Update the printer firmware on page 143.
If the problem persists, contact HP Support. See
HP Customer Care on page 185.
81:01, 81:03, 86:01 Open the printer window and make sure that there are no obstacles restricting the movement of the
drive roller. If the paper has jammed and is restricting the movement of the drive roller, lift the
paper load lever and clear the obstruction. If the problem persists, contact HP Support. See
HP
Customer Care on page 185.
212 Appendix D Front-panel error messages ENWW