HP Color LaserJet 4730 Multifunction Printer series User Manual
Page 271
Control panel message
Description
Recommended action
44.1 USB ACCESSORY
ERROR
For help press
This message appears when a connected
USB accessory draws too much power.
When this happens, the ACC port is disabled
and printing stops.
Use the scroll bar to step through the
instructions.
49.XXXX
PRINTER ERROR
To continue
turn off then on
A critical firmware error has occurred.
1.
Turn the MFP off then on.
2.
If the message persists, contact
HP Support at
.
50.X FUSER ERROR
To continue turn off then on
A fuser error has occurred.
Turn the MFP off then on.
50.X FUSER ERROR
For help press
A fuser error has occurred.
The error might be due to an inadequate
power supply, inadequate line voltage, or a
problem with the fuser.
The following are specific fuser errors:
50.1: A low fuser temperature error has
occurred in the main thermistor.
50.2: A fuser warm-up service error has
occurred.
50.1: A low fuser temperature error has
occurred in the main thermistor.
50.6: An open fuser error has occurred.
50.7: A fuser pressure release mechanism
has failed.
50.8: A low fuser pressure temperature has
occurred in the sub thermistor.
50.9: A high fuser pressure temperature has
occurred in the sub thermistor.
1.
Turn the MFP off then on.
2.
If the message persists, contact
HP Support at
.
51.2Y
PRINTER ERROR
For help press
alternates with
51.2Y
PRINTER ERROR
To continue
turn off then on
Either a laser beam detects an error, or a
laser error has occurred.
The values of Y are:
Y Description
0 - Black
1 - Cyan
2 - Magenta
3 - Yellow
1.
Turn the MFP off then on.
2.
If the problem persists, contact
HP Support at
.
51.XY PRINTER ERROR
alternates with
A fuser error has occurred.
To continue printing, turn the MFP off then on.
ENWW
Control panel messages
251