2-92 MFP Service Manual
7500-432, -632, and -832
4 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 6. Go to step 5.
5 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.
6 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?
Replace the
ADF feed drive
motor assembly.
Go to “ADF
feed drive
motor
assembly
removal” on
page 4-180.
Go to step 7.
7 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.
8 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 9.
9 Place an undamaged document in the ADF, and perform a
ADF test.
Does the error remain?
Replace the RIP
card assembly.
Go to “RIP card
assembly
removal” on
page 4-130.
Problem solved.
Step Check Yes No
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