User Guide

Control panel message Description Recommended action
Y Device Location
1 DIMM Slot 1
2 DIMM Slot 2
3 DIMM Slot 3
4 DIMM Slot 4
ZZ Error Number
0 unsupported memory
1 unrecognized memory
2 unsupported memory size
3 failed RAM test
4 exceeded maximum RAM size
6 invalid DIMM speed
54.1
Remove the sealing tape from toner
cartridge
The print cartridge was installed with the
sealing tape in place.
1 Remove the sealing tape from the print
cartridge.
2 Replace the print cartridge.
55.X
PRINTER ERROR
For help press
alternates with
55.X
PRINTER ERROR
To continue press
The dc controller is not communicating with
the formatter. The problem could be caused
by a timing error or an intermittent
connection.
1
Press
( S
ELECT
button) to continue.
2 Turn the printer off and then on.
3 Reseat the connectors between the
dc controller PCA and the formatter.
4 If the problem persists, replace the
dc controller PCA. See
Dc controller PCA.
5 Replace the formatter. See
Formatter
assembly .
56.1 printer error To continue turn off
then on
An unknown input device is installed. 1 Turn the power off and then on.
2 Reinstall all input trays.
3 Remove all non-HP paper-handling
devices.
56.2 printer error To continue turn off
then on
An unknown output device is installed. 1 Turn the power off and then on.
2 Reinstall the stacker or stapler/stacker.
3 Remove all non-HP paper-handling
devices.
57.X A printer fan is not functioning. Turn the printer off and then on.
Table 7-7 Numerical printer messages (continued)
358 7 Troubleshooting