Actions Yes No
Step 5
Check the ADF cable to ensure that is it properly connected to the
ADF relay card, and to the main controller board at JADF1.
Is the ADF cable properly connected?
Go to step 6. Properly connect the
ADF cable to its
connections.
Step 6
Check the ADF cable for continuity. Make sure pin 22 has
continuity.
Does pin 22 have continuity?
Go to step 7. Replace the ADF
cable. See
“ADF
cable removal” on
page 395.
Step 7
Replace the ADF. See
“ADF unit removal” on page 388.
Does this fix the situation?
The problem is
solved.
Replace the
controller board. See
“Controller board
removal” on
page 299.
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
“ADF feed errors service check” on page 187.
Actions Yes No
Step 1
Is the phone line properly connected to the modem card and the
wall jack?
Go to step 2. Go to step 3.
Step 2
Properly connect the phone line to the modem card and wall jack.
Did this fix the problem?
Problem resolved. Go to step 3.
Step 3
Test the ability of the phone line to send and receive calls.
Did the phone line work properly?
Go to step 5. Go to step 4.
Step 4
Use the MFP on a properly functioning phone jack.
Did this fix the problem?
Problem resolved. Go to step 5.
Step 5
Is the modem card ribbon cable properly connected to the
controller board at JMOD2 and the modem card?
Go to step 7. Go to step 6.
7015
Diagnostics and troubleshooting
189
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