Lexmark MS312 Service Manual page 138

Action
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?
Step 22
a
Reinstall the first ISP option.
b
POR the printer.
Does the error remain?
Step 23
Run a job to test the option.
Does the error remain?
Diagnostics and troubleshooting
138
Yes No
Go to step 31. The problem is
solved.
Go to step 17. Go to step 21.
Go to step 18. Go to step 20.
Go to step 19. The problem is
solved.
Go to step 31. The problem is
solved.
Go to step 31. Go to step 21.
Go to step 22. The problem is
solved.
Go to step 24. Go to step 23.
Go to step 24. Go to step 26.
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