Lexmark X862de - Sensor (ADF Pre-Registration) off Jam

2-88 MFP Service Manual
7500-432, -632, and -832
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290.03 Sensor (ADF pre-registration) off jam
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.
2 Check the ADF rolls for wear.
Is the ADF feed/pick roll assembly or the ADF separation roll
guide assembly free of excess wear?
Go to step 3. Clean or replace
the ADF feed/pick
roll assembly or
the ADF
separation roll
guide assembly.
Go to “ADF feed/
pick roll
assembly
removal” on
page 4-186 or
“ADF separation
roll guide
assembly” on
page 4-203.
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?
Go to step 4. Remove all
contaminates from
the media path.
4 Check the sensor (sheet through) for operation.
Perform the sensor (sheet through) 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 SCANNER TESTS.
3. Touch Sensor Tests.
4. Touch Sheet through.
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 (sheet through) for connection.
Is the above sensor connected properly?
Replace the
sensor (sheet
through).
Go to “Sensor
(sheet through)
removal” on
page 4-208.
Replace the
connection.