Lexmark XM3250 Service Manual page 165

Action
Step 5
Make sure that the modem cable is properly connected to the
modem card and to the JFAX2 connector on the controller board.
Does the problem remain?
Step 6
Replace the fax card.
Does the problem remain?
Step 7
Check the voltages values of the following pins on the JFAX2
connector on the controller board:
•
Pin 2: +3.3 V dc
•
Pin 3: +3.3 V dc
•
Pin 5: +5 V dc
•
Pin 7: Ground
•
Pin 9: Ground
•
Pin 11: Ground
•
Pin 13: Ground
Are the voltage values approximately the same?
Step 8
Replace the controller board. See
page 244.
Does the problem remain?
Blank spaces on incoming fax service check
Actions
Step 1
Receive fax from another machine.
Does the problem remain?
Step 2
Attach the printer to a different telephone line.
Does the problem remain?
Step 3
Print a test page.
Does the problem remain?
"Controller board removal" on
Diagnostics and troubleshooting
165
Yes No
Go to step 6. The problem is
solved.
Go to step 7. The problem is
solved.
Contact the next Go to step 8.
level of support.
Contact the next The problem is
level of support. solved.
Yes No
Go to step 2. The problem is
solved.
Go to step 3. The problem is
solved.
Go to step 4. The problem is
solved.
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