Actions Yes No
Step 4
Check the sensor actuators for damage and proper operation, and replace
if necessary.
Does the problem remain?
Go to step 5. The problem is solved.
Step 5
Enter the Diagnostics menu, and then navigate to:
SCANNER TESTS > Sensor Test
Does the sensor status change while toggling the sensor?
Go to step 8. Go to step 6.
Step 6
a Reseat the sensor cables.
b Check the sensor cable for damage, and replace if necessary.
Does the problem remain?
Go to step 7. The problem is solved.
Step 7
Check the sensor (ADF document separation) and sensor (ADF
registration) for damage, and replace if necessary. See
“Sensors (ADF top
open cover section) removal” on page 425.
Does the problem remain?
Go to step 8. The problem is solved.
Step 8
Check the following rollers for wear or damage, and replace if necessary:
• ADF pick roller. See “ADF pick roller removal” on page 407.
• ADF feed roller. See “ADF feed roller removal” on page 400.
• ADF separator roller. See “ADF separator roller removal” on
page 412.
Does the problem remain?
Go to step 9. The problem is solved.
Step 9
a Make sure that the ADF pick assembly is properly installed.
b Make sure that the paper path is free of debris or dust.
c Check the ADF pick assembly for wear or damage, and replace if
necessary. See
“ADF feed and pick roller assembly removal” on
page 398.
Does the problem remain?
Go to step 10. The problem is solved.
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