Actions Yes No
Step 8
Properly connect all the connections in the ADF relay card and
controller board.
Did this fix the situation?
Problem resolved Go to step 9.
Step 9
Check the ADF cable for continuity.
Is there continuity?
Go to step 11. Go to step 10.
Step 10
Replace the ADF cable. See
“ADF cable removal” on page 395.
Does this fix the problem?
Problem resolved. Go to step 11.
Step 11
Replace the ADF. See
“ADF unit removal” on page 388.
Does this fix the situation?
Problem solved. Replace the
controller board. See
“Controller board
removal” on
page 299.
ADF duplex failure 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
Perform the ADF motor tests to verify that the motors are working
properly. See
“Motor tests” on page 235.
Are the motors operating properly?
Go to step 2. Go to step 4.
Step 2
Perform the scanner sensor tests. See
“Scanner tests” on
page 235.
Are the sensors working properly?
Go to step 3. Go to step 4.
Step 3
Check the ADF sensor actuators.
Are the actuators dirty or jammed?
Clean the actuators.
If any actuators on
the ADF are broken,
then replace the ADF
unit. See
“ADF unit
removal” on
page 388.
Go to step 4.
Step 4
Check all of the connections on the ADF relay card. Are they
properly connected?
Go to step 5. Properly connect all
of the connections.
7015
Diagnostics and troubleshooting
188
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