Diagnostic information 2-105
7500-432, -632, and -832
291.01 Sensor (ADF inverter) off jam (inverting)
2 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 4. Go to step 3.
3 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.
4 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 5.
5 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
1 Check the original document condition.
Is the original document free of paper clips and staples as
well as damage such as creases, tears, holes, or excessive
wear?
Go to step 2. Remove damaged
original document,
and replace with a
new undamaged
original document.
Perform a ADF
test. If the problem
remains, go to
step 2.
Step Check Yes No
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