2-98 MFP Service Manual
7500-432, -632, and -832
5 Check the sensor (ADF inverter) for connection.
Is the above sensor connected properly?
Replace the
sensor (ADF
inverter).
Go to “Sensor
(ADF inverter)”
on page 4-197.
Replace the
connection.
6 Check the registration motor (forward or reverse) test.
Perform the registration 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 registration drv mtr.
5. Touch Forward or reverse.
Does the ADF registration motor operate properly?
Go to step 8. Go to step 7.
7 Check the ADF registration motor for connection.
Is the above motor connected properly?
Replace the ADF
registration motor.
Go to “ADF
registration
motor removal”
on page 4-209.
Replace the
connection.
8 Check the sensor (ADF registration) for operation.
Perform the sensor (ADF registration) test.
Open the ADF left cover assembly.
1. Enter the Diagnostics Menu.
2. Touch SCANNER TESTS.
3. Touch Sensor Tests.
4. Touch ADF registration.
Place a piece of white paper into the ADF media entrance
and over the sensor (ADF registration).
Does the display on the operator panel change every time
the sensing area of the above sensor is blocked?
Go to step 10. Go to step 9.
9 Check the sensor (ADF registration) for connection.
Is the above sensor connected properly?
Replace the
sensor (ADF
registration).
Go to “Sensor
(ADF
registration)” on
page 4-195.
Replace the
connection.
10 Place an undamaged document in the ADF, and perform a
ADF test.
Does the error remain?
Replace the ADF
controller card
assembly.
Go to “ADF
controller card
assembly
removal” on
page 4-175.
Go to step 11.
Step Check Yes No