Modem/Fax Card Service Check - Lexmark MX61 Series Service Manual

Actions
Step 6
Check the ADF cable for continuity. Make sure pin 22 has
continuity.
Does pin 22 have continuity?
Step 7
Replace the ADF. See
Does this fix the situation?

Modem/fax card service check

Note: This service check should be used if the paper feeds and jams in the ADF. If the paper is not
feeding into the ADF see
Actions
Step 1
Is the phone line properly connected to the modem card and the
wall jack?
Step 2
Properly connect the phone line to the modem card and wall jack.
Did this fix the problem?
Step 3
Test the ability of the phone line to send and receive calls.
Did the phone line work properly?
Step 4
Use the MFP on a properly functioning phone jack.
Did this fix the problem?
Step 5
Is the modem card ribbon cable properly connected to the
controller board at JMOD2 and the modem card?
Step 6
Properly connect the modem card cable to the modem card and
controller board.
Did this fix the problem?
Step 7
Check the modem card ribbon cable for continuity.
Is there continuity?
"ADF unit removal" on page
"ADF feed errors service check" on page
Diagnostic information
Yes
Go to step 7.
Problem solved.
362.
168.
Yes
Go to step 2.
Problem resolved.
Go to step 5.
Problem resolved.
Go to step 7.
Problem resolved.
Go to step 8.
170
7016
No
Replace the ADF
cable. See "ADF
cable removal" on
page 368.
Replace the
controller board. See
"Controller board
removal" on
page 282.
No
Go to step 3.
Go to step 3.
Go to step 4.
Go to step 5.
Go to step 6.
Go to step 7.
Replace the modem
card cable.