282.03-Sensor (Adf Sheet Through) Late Jam Service Check - Lexmark X792 Service Manual

282.03—Sensor (ADF sheet through) late jam service check
Step
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?
2 Check the ADF pick roll assembly for wear or
gear damage.
Is the ADF feed/pick roll assembly or the ADF
separation roll assembly free of excess wear
or gear damage?
3 Check the media path for contaminates.
Is the media path free of excess media dust
and foreign objects such as paper clips and
staples?
4 Check the ADF feed drive motor assembly for
proper connection.
Is the above component properly connected?
5 Check the sensor (ADF sheet through) for
proper operation.
1. Enter the Diagnostics Menu.
2. Touch SCANNER TESTS.
3. Touch Sensor Tests.
4. Observe the line "sensor (ADF sheet
through)"
Does the display on the operator panel,
change every time the sensing area of the
above sensor is interrupted or blocked?
6 Check the sensor (ADF sheet through) for
proper connection.
Is the above component properly connected?
7 Place an undamaged document in the ADF,
and perform a ADF test.
Does the error remain?
8 Perform a print test using the ADF.
Does the problem remain?
Check Yes
Go to step 2.
Go to step 3.
Go to step 4.
Replace the ADF feed
drive motor assembly.
Go to "ADF feed drive
motor assembly
removal" on page 4-159.
Go to step 7.
Replace the sensor (ADF
sheet through).
Go to "Sensor (ADF sheet
through) removal" on
page 4-187.
Replace the ADF controller
card assembly.
Go to "ADF controller
card removal" on
page 4-153.
Go to step 11.
Contact next highest level
of tech support.
No
Remove damaged original
document and replace with
a new undamaged original
document. Perform a ADF
test. If the problem
remains, go to step 2.
Clean or replace the ADF
feed/pick roll assembly or
the ADF separation roll
assembly.
Go to "ADF feed/pick roll
assembly removal" on
page 4-161 or "ADF
separator torque limiter
assembly removal" on
page 4-174.
Remove all contaminates
from the media path.
Replace the connection.
Go to step 6.
Replace the connection.
Problem solved.
Problem solved.
2-113
Diagnostic information
7562