Actions Yes No
Step 5
Perform the ADF pick motor and ADF feed motor tests.
Are the motors working properly?
Go to step 6. Go to step 8.
Step 6
Perform the ADF paper present sensor test. See “Scanner tests” on
page 169.
Is the sensor working properly?
Go to step 7. Go to step 8.
Step 7
Check the ADF sensor actuators to see if they are dirty or jammed.
Are the actuators ok?
If any actuators on the
ADF are broken, then
replace the ADF unit.
See “ADF unit
removal” on page
316.
Go to step 8.
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 325.
Does this fix the problem?
Problem resolved. Go to step 11.
Step 11
Replace the ADF. See “ADF unit removal” on page 316.
Does this fix the situation?
Problem solved. Replace the controller
board. See “Controller
board removal” on
page 231.
ADF duplex 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 136.
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Diagnostic information
137
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