Modem/Fax Card Service Check - Lexmark MB3442 Service Manual

Diagnostics and troubleshooting

Modem/fax card service check

1. Check if the telephone cable is properly connected to the modem card and electrical outlet.
Is the cable properly connected to the modem card and electrical outlet?
◦ Yes:
Go to the next step.
◦ No:
Go to step 3.
2. Connect the telephone cable to the modem card and electrical outlet.
Does the problem remain?
◦ Yes:
Go to the next step.
◦ No:
The problem is solved.
3. Check if the telephone cable can make and receive calls.
Is the phone line properly working?
◦ Yes:
Go to step 5.
◦ No:
Go to the next step.
4. Connect the printer to a properly functioning telephone jack.
Does the problem remain?
◦ Yes:
Go to the next step.
◦ No:
The problem is solved.
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?
◦ Yes:
Go to the next step.
◦ No:
The problem is solved.
6. Replace the fax card.
Does the problem remain?
◦ Yes:
Go to the next step.
◦ No:
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