Operation Manual

Control panel message Description Recommended action
79.XXXX ERROR
alternates with
To continue
turn off then on
The printer detected a critical hardware
error.
1. Press S TOP to clear the print job
from the printer memory. Turn the
printer power off and then on.
2. Try printing a job from a different
program. If the job prints, go back to
the first program and try printing a
different file. If the message
appears only with a certain program
or print job, contact the software
vendor for assistance.
If the message persists with different
programs and print jobs, try these steps.
1. Turn the printer power off.
2. Disconnect all cables to the printer
that connect it to the network or
computer.
3. Remove all the memory DIMMs or
third-party DIMMs from the printer.
Then reinstall at least one memory
DIMM . (See
Printer memory.)
4. Remove all EIO devices and
CompactFlash cards from the printer.
5. Turn the printer power on.
If the error no longer exists, follow these
steps.
1. Install each DIMM and EIO device
one at a time, making sure to turn
the printer power off and back on as
you install each device.
2. Replace a DIMM or EIO device if
you determine that it causes the
error.
3. Reconnect all cables that connect
the printer to the network or
computer.
8X.YYYY
EIO ERROR
The EIO accessory card has
encountered a critical error.
1. Turn the printer power off and then
on.
2. Turn the printer power off, reseat
the EIO accessory, and then turn
the printer power on.
3. Replace the EIO accessory.
8X.YYYY EMBEDDED
JETDIRECT ERROR
The embedded HP Jetdirect print server
has encountered a critical error.
1. Turn the printer power off and then
on.
2. If the message persists, contact an
HP-authorized service or support
provider (see
HP customer care).
Interpreting control-panel messages (continued)
ENWW Understanding printer messages 127