shooting
Step Questions / actions Yes No
8
Are the sensor actuators on the ADF
mechanism cover damaged?
Replace the ADF. Go to step 9.
9
Is the ADF connector properly
connected to J17 on the system
board?
Go to step 10.
Properly connect
the cable to the
system board.
10
Inspect the connections on the ADF
relay card in the ADF. Are all the
connections properly connected?
Go to step 11.
Secure all the
connections.
11
Check the ADF cable for continuity.
Is there continuity?
Go to step 12.
Replace the ADF
cable.
12
Check for signals or voltages from
J17 on the controller board. Pin 11
and 12 should measure +24VDC.
Pin 14 should measure +5VDC. Are
there signals or voltages present?
Replace the ADF
unit (
p.4-72
"ADF Unit
Removal").
Replace the
controller board
(
p.4-7
"Controller Board
Removal").
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