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Control panel message Description Recommended action
turn off then on
52.X PRINTER ERROR
alternates with
To continue
turn off then on
A printer error has occurred.
Turn the printer off then on. Press for more
information.
If the message persists, contact HP Support
at
http://www.hp.com/support/ljcp4005.
53.XX.X CHECK RAM
DIMM SLOT X
A memory error has occurred. If prompted to do so, press to continue. The
printer should come to the Ready state, but
will not make full use of all memory installed.
Otherwise:
1. Turn the printer off.
2. Verify that all DDR SDRAM meets
specifications and is correctly seated.
3. Turn the printer on.
4. If the problem persists, contact
HP Support at
http://www.hp.com/
support/ljcp4005.
54.XX
PRINTER ERROR
To continue
turn off then on
Printing cannot continue. There is a sensor
malfunction.
Values of X are:
01 - Humidity sensor
15 - Yellow
16 - Magenta
17 - Cyan
18 - Black
1. Turn the printer off then on.
2. If the problem persists, contact
HP Support at
http://www.hp.com/
support/ljcp4005.
55.X.X DC
CONTROLLER ERROR
For help press
alternates with
55.0X.YY PRINTER ERROR
PRINTER ERROR
To continue
turn off then on
A printer command error has occurred. 1. Turn the printer off then on.
2. If the problem persists, contact
HP Support at
http://www.hp.com/
support/ljcp4005.
56.XX
PRINTER ERROR
To continue
turn off then on
A printer error has occurred. 1. Turn the printer off then on.
2. If the problem persists, contact
HP Support at http://www.hp.com/
support/ljcp4005.
ENWW Control panel messages 163