Lexmark X862de Service Manual page 222

7500-432, -632, and -832
Step
2 Check the sensor (sheet through) for operation.
Perform the sensor (sheet through) test.
Open the ADF left cover assembly.
Remove the ADF rear cover. Go to
removal" on page
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 blocked?
3 Check the sensor (sheet through) for connection.
Is the above sensor connected properly?
4 Check the sensor (ADF pre registration) for operation.
Perform the sensor (ADF pre registration) test.
Open the ADF left cover assembly.
1. Enter the Diagnostics Menu.
2. Touch SCANNER TESTS.
3. Touch Sensor Tests.
4. Touch ADF pre registration.
Operate the actuator of the sensor (ADF pre registration).
Does the display on the operator panel change every time
the sensing area of the above sensor is blocked?
5 Check the sensor (ADF pre-registration) for connection.
Is the above sensor connected properly?
6 Place an undamaged document in the ADF, and perform a
ADF test.
Does the error remain?
7 Place an undamaged document in the ADF, and perform a
ADF test.
Does the error remain?
2-122
MFP Service Manual
Check
"ADF rear cover
4-173.
Yes
Go to step 4. Go to step 3.
Replace the Replace the
sensor (sheet connection.
through).
Go to "Sensor
(sheet through)
removal" on
page 4-208.
Go to step 6. Go to step 5.
Replace the Replace the
sensor (ADF pre- connection.
registration).
Go to "Sensor
(ADF pre-
registration)" on
page 4-196.
Replace the ADF Go to step 7.
controller card
assembly.
Go to "ADF
controller card
assembly
removal" on
page 4-175.
Replace the RIP Problem solved.
card assembly.
Go to "RIP card
assembly
removal" on
page 4-130.
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