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Control panel message Description Recommended action
41.5 UNEXPECTED
TYPE IN TRAY X
For help press
alternates with
LOAD TRAY X
[TYPE] [SIZE]
To use another
tray press
The printer senses a different media type in
the media path than configured in the tray.
1. If the incorrect type was selected,
cancel the job or press
to access help.
OR
2. Press
to select another tray.
3. Press
and to step through the
instructions.
49.XXXX
PRINTER ERROR
To continue
turn off then on
A critical firmware error has occurred. 1. Turn the printer off then on.
2. If the message persists, contact
HP Support at
http://www.hp.com/
support/ljcp4005.
50.X FUSER ERROR
For help press
A fuser error has occurred. 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.
50.3: A high fuser temperature error has
occurred in the main thermistor.
50.6: An open fuser error has occurred.
50.7: A fuser pressure release mechanism
failure has occurred.
The error might be due to an inadequate
power supply, inadequate line voltage, or a
problem with the fuser.
1. Turn the printer off then on.
2. Press
and to step through the
instructions.
3. If the message persists, contact
HP Support at
http://www.hp.com/
support/ljcp4005.
50.X FUSER ERROR
To continue
turn off then on
A fuser error has occurred. Turn the printer off then on.
51.2Y
PRINTER ERROR
For help press
alternates with
51.2Y
PRINTER ERROR
To continue
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 printer off then on.
2. If the problem persists, contact
HP Support at
http://www.hp.com/
support/ljcp4005.
162 Chapter 8 Problem solving ENWW