Lexmark MX81 series Service Manual page 146

Action
Step 13
Is there optional memory installed?
Step 14
a
Reinstall the memory.
b
Send a print job to the printer.
Does the error remain?
Step 15
a
Install a Lexmark recommended memory option.
b
Send a print job to the printer.
Does the error remain?
Step 16
Is there a modem installed?
Step 17
a
Reinstall the modem.
b
POR the printer.
Does the error remain?
Step 18
a
Upgrade the firmware if it was not upgraded in a previous step.
Note: Contact your next level of support for the correct firmware
level to use.
b
POR the printer.
c
Send the printer a print job.
Does the error remain?
Step 19
a
Replace the modem.
b
POR the printer.
Does the error remain?
Step 20
Run a fax job.
Does the error remain?
Step 21
Is there an ISP option installed?
Yes
Go to step 14.
Go to step 15.
Go to step 31.
Go to step 17.
Go to step 18.
Go to step 19.
Go to step 31.
Go to step 31.
Go to step 22.
Diagnostic information
144
7463
No
Go to step 16.
Go to step 16.
The problem is solved.
Go to step 21.
Go to step 20.
The problem is solved.
The problem is solved.
Go to step 21.
The problem is solved.