Lexmark X862de - Page 216

2-116 MFP Service Manual
7500-432, -632, and -832
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6 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?
Go to step 8. Go to step 7.
7 Check the sensor (ADF pre-registration) for connection.
Is the above sensor connected properly?
Replace the
sensor (ADF pre-
registration).
Go to “Sensor
(ADF pre-
registration)”
on page 4-196.
Replace the
connection.
8 Check the feed drive motor for correct operation.
Perform the feed drive motor test.
Open the ADF left cover assembly.
Remove the ADF rear cover. Go to “ADF rear cover
removal” on page 4-173.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Scanner Motor Tests.
4. Touch ADF feed drv mtr.
Does the feed drive motor rotate properly?
Go to step 10. Go to step 9.
9 Check the feed drive motor for connection.
Is the above sensor connected properly?
Replace the ADF
feed drive motor
assembly.
Go to “ADF feed
drive motor
assembly
removal” on
page 4-180.
Replace the
connection.
10 Check the inverter solenoid assembly for operation.
Perform the inverter solenoid test.
Open the ADF left cover assembly.
Remove the ADF front cover assembly. Go to “ADF front
cover assembly removal” on page 4-174.
Close the ADF left cover assembly.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Scanner Motor Tests.
4. Touch Inverter solenoid.
Does the inverter solenoid assembly operate properly?
Go to step 12. Go to step 11.
Step Check Yes No