Actions Yes No
Step 6
Remove the ADF rear cover and inspect the ADF cover closed
sensor for dirt and debris.
Is there dirt and debris present?
Go to step 7. Go to step 8.
Step 7
Clean the dirt and debris from the sensor.
Does this fix the issue?
The problem is
solved.
Go to step 8.
Step 8
Inspect the connections on the ADF relay card in the ADF.
Are all the connections properly connected?
Go to step 9. Secure all the
connections.
Step 9
Check the ADF cable for continuity.
Is there continuity?
Go to step 10. Replace the ADF
cable. See
“ADF
cable removal” on
page 368.
Step 10
Check for signals or voltages from JADF1 on the controller board.
Pin 14 and 16 should measure +24VDC. Pins 15 and 22 should
measure +3.3VDC.
Are there signals or voltages present?
Replace the ADF.
See
“ADF unit
removal” on
page 362.
Replace the
controller board. See
“Controller board
removal” on
page 282.
7016
Diagnostic information
99
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