Lexmark X940e Service Manual page 187

Step
2 Check the ADF rolls for wear.
Is the ADF feed/pick roll assembly or the ADF separation roll
guide assembly free of excess wear?
3 Check the media path for contaminates.
Is the media path free of excess media dust and foreign
objects such as paper clips and staples?
4 Check the inverter gate condition.
Is the inverter gate free of damage and warpage and does it
move smoothly?
5 Check the sensor (ADF registration) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SCANNER TESTS.
3. Touch Sensor Tests.
4. Touch ADF registration.
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked?
6
Check the sensor (ADF registration) for proper connection.
Is the above component properly connected?
7 Check the ADF feed drive motor assembly for proper
operation.
Caution: When performing motor tests, ensure
that all cover and door interlock switches are
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Scanner Motor Tests.
4. Touch ADF feed drv mtr.
Does the above component operate properly?
Check Yes
Go to step 3. Clean or replace
the ADF feed/pick
roll assembly or
the ADF
separation roll
guide assembly.
Go to "ADF feed/
pick roll
assembly
removal" on
page 4-139
"ADF separation
roll guide
assembly" on
page 4-152.
Go to step 4. Remove all
contaminates from
the media path.
Go to step 5. Replace the
inverter gate.
Go to "Inverter
gate removal" on
page 4-149.
Go to step 7. Go to step 6.
Replace the Replace the
sensor (ADF connection.
registration).
Go to "Sensor
(ADF
registration)
removal" on
page 4-146.
Go to step 9. Go to step 8.
Diagnostic information
7510-XXX
No
or
2-73