194 Troubleshooting ENWW
49.XXYY
PRINTER ERROR
alternates with
To continue
turn off then on
A critical firmware error has
occurred.
XX represents a component code,
and YY represents a component-
specific error code.
Perform a cold reset (see page 230
for information about cold resets).
If the error persists, then try the
following actions:
1 Press C
ANCEL JOB to clear the
print job from the printer
memory. Turn the printer power
off, and then turn the printer
power 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 memory DIMMs or
third-party DIMMs from the
printer.
4 Remove all EIO devices 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.
50.X FUSER ERROR
For help press
A fuser error has occurred.
X can equal one of the following:
1 = Low fuser temperature
2 = Fuser warm up service
3 = High fuser temperature
4 = Faulty fuser
5 = Inconsistent fuser
6 = Open fuser
7 = Fuser pressure release
mechanism failure
1 Turn the printer power off and
then turn the printer power on.
2 If the message persists,
contact an HP-authorized
service or support provider
(see “Ordering parts and
supplies and getting support”
on page 242).
Message Description Recommended action
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