Adf Duplex Service Check - Lexmark MX310 Series Service Manual

Actions
Step 5
Perform the ADF pick motor and ADF feed motor tests.
Are the motors working properly?
Step 6
Perform the ADF paper present sensor test. See
page 169.
Is the sensor working properly?
Step 7
Check the ADF sensor actuators to see if they are dirty or jammed.
Are the actuators ok?
Step 8
Properly connect all the connections in the ADF relay card and controller
board.
Did this fix the situation?
Step 9
Check the ADF cable for continuity.
Is there continuity?
Step 10
Replace the ADF cable. See
Does this fix the problem?
Step 11
Replace the ADF. See "ADF unit removal" on page
Does this fix the situation?

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
"Scanner tests" on
"ADF cable removal" on page
316.
136.
Diagnostic information
Yes
Go to step 6.
Go to step 7.
If any actuators on the
ADF are broken, then
replace the ADF unit.
See "ADF unit
removal" on page
316.
Problem resolved
Go to step 11.
Problem resolved.
325.
Problem solved.
137
7015
No
Go to step 8.
Go to step 8.
Go to step 8.
Go to step 9.
Go to step 10.
Go to step 11.
Replace the controller
board. See "Controller
board removal" on
page 231.