ENWW Chapter 7 Troubleshooting 193
41.5 UNEXPECTED 
TYPE IN TRAY XX
alternates with
LOAD TRAY [XX]:
[TYPE] [SIZE] 
The printer detected a paper type 
different than what it was expecting.
1 Reload the tray with the correct 
paper type.
2 Press  (S
ELECT button) to 
scroll to TRAY XX TYPE=. 
Reconfigure the type in a tray 
so that the printer uses a tray 
that contains the type required 
for the print job.
3 If the error does not clear, turn 
the printer power off, and then 
turn the printer power on.
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 229 
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.
Message Description Recommended action