Lexmark X940e Service Manual page 179

Step
6 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?
7
Check the ADF feed drive motor assembly for proper
connection.
Is the above component properly connected?
8 Check the sensor (sheet through) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SCANNER TESTS.
3. Touch Sensor Tests.
4. Touch Sheet through.
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked?
9 Check the sensor (sheet through) for proper connection.
Is the above component properly connected?
10 Place an undamaged document in the ADF, and perform a
ADF test.
Does the error remain?
11 Place an undamaged document in the ADF, and perform a
ADF test.
Does the error remain?
Check Yes
Go to step 8. Go to step 7.
Replace the ADF Replace the
feed drive motor connection.
assembly.
Go to "ADF feed
drive motor
assembly
removal" on
page 4-131.
Go to step 10. Go to step 9.
Replace the Replace the
sensor (sheet connection.
through).
Go to "Sensor
(sheet through)
removal" on
page 4-155.
Replace the ADF Problem solved.
controller card
assembly.
Go to "ADF
controller card
assembly
removal" on
page 4-135.
Go to step 11.
Replace the RIP Problem solved.
card assembly.
"RIP card
Go to
assembly
removal" on
page 4-71.
Diagnostic information
7510-XXX
No
2-65