Control panel message Description Recommended action
55.1 Error
59.A0 Error
59.9 Error
54.1C Error
turn on the power and wait for the printer to
initialize.
If a surge protector is being used, remove
it. Plug the printer directly into the wall
socket. Use the power switch to turn the
printer on.
If the error persists, contact HP Customer
Care. See
HP Customer Care or the
support flyer that came in the printer box.
57 Fan Error
Turn off then on
The printer has experienced a problem with
its internal fan.
Turn off the power by using the power
switch, wait at least 30 seconds, and then
turn on the power and wait for the printer to
initialize.
If the error persists, contact HP Customer
Care. See HP Customer Care or the
support flyer that came in the printer box.
79 Error
Turn off then on
The printer has experienced an internal
firmware error.
Turn off the power by using the power
switch, wait at least 30 seconds, and then
turn on the power and wait for the printer to
initialize.
If you have recently installed a memory
DIMM in the printer, turn off the printer,
remove the memory DIMM, reinstall the
DIMM to verify that it is seated properly,
and then turn on the printer.
If a surge protector is being used, remove
it. Plug the printer directly into the wall
socket. Use the power switch to turn the
printer on.
If the error persists, contact HP Customer
Care. See
HP Customer Care or the
support flyer that came in the printer box.
Duplexer Error
Turn off then on
The duplexer is not connected or installed
correctly.
Turn off the power by using the power
switch, wait at least 30 seconds, and then
turn on the power and wait for the printer to
initialize.
If a surge protector is being used, remove
it. Plug the printer directly into the wall
socket. Use the power switch to turn the
printer on.
If the error persists, contact HP Customer
Care. See
HP Customer Care or the
support flyer that came in the printer box.
Sensor error
Turn off then on
A sensor error has occurred. Turn off the power by using the power
switch, wait at least 30 seconds, and then
turn on the power and wait for the printer to
initialize.
If the error persists, contact HP Customer
Care. See
HP Customer Care or the
support flyer that came in the printer box.
Table 12-2 Critical error messages (continued)
ENWW Control panel messages 147
