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Control panel message Description Recommended action
The error might be due to an inadequate
power supply, inadequate line voltage, or a
problem with the fuser.
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
turn off then on
Either a laser beam detects an error, or a
laser error has occured.
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/clj4700.
52.XY 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/clj4700.
53.XY.ZZ 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/clj4700.
54.01 PRINTER
ERROR
To continue
turn off then on
Printing cannot continue. The humidity
environmental sensor is abnormal.
1. Turn the printer off then on.
2. If the problem persists, contact
HP Support at
http://www.hp.com/
support/clj4700.
54.X PRINTER
ERROR
To continue
turn off then on
Printing cannot continue. There is a sensor
malfunction.
Values of X are:
01 - Humidity sensor
1. Turn the printer off then on.
2. If the problem persists, contact
HP Support at
http://www.hp.com/
support/clj4700.
ENWW Control panel messages 189