Lexmark CX310 Service Manual page 149

Actions
Step 1
If the ADF is multi-feeding, check for dirt on the ADF separator pad and
ADF separator rollers.
Are they dirty?
Step 2
If the paper is skewing when it is fed into the ADF, check the paper guide
width.
Is it set correctly?
Step 3
If paper is skewing when fed or jamming check to see if the top cover is
open or ajar.
Is the ADF top cover open or ajar?
Step 4
Is the leading edge of the paper wrinkled or torn?
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 211.
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?
Yes
Clean them with a lint
free cloth and isopropyl
alcohol.
Go to step 3.
Properly close the top
cover.
Use different media.
Go to step 6.
Go to step 7.
"Scanner tests" on
If any actuators on the
ADF are broken, then
replace the ADF unit.
See
removal" on page
326.
Problem resolved
Go to step 11.
Diagnostic information
149
No
Replace the separator
pad and ADF pick roll.
Set the paper guides so
they contact the edges
of the paper.
Go to step 4. If the
paper is jamming in the
ADF, see
jam service check" on
page 73.
Go to step 5.
Go to step 8.
Go to step 8.
Go to step 8.
"ADF assembly
Go to step 9.
Go to step 10.
7527
"ADF paper