Sensor (Adf Pre-Registration) Off Jam On Inverting - Lexmark X850e Service Manual

294.02 Sensor (ADF pre-registration) off jam on inverting

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 rolls for wear.
Is the ADF feed/pick roll assembly or the ADF separation roll
guide assembly free of excess wear?
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 sensor (sheet through) for operation.
Perform the sensor (sheet through) test.
Open the ADF left cover assembly.
Remove the ADF rear cover. Go to
removal" on page
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?
5 Check the sensor (sheet through) for connection.
Is the above sensor connected properly?
Check
"ADF rear cover
4-165.
Yes
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.
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 4-178
"ADF separation
roll guide
assembly" on
page 4-195.
Go to step 4. Remove all
contaminates from
the media path.
Go to step 6. Go to step 5.
Replace the Replace the
sensor (sheet connection.
through).
Go to "Sensor
(sheet through)
removal" on
page 4-200.
Diagnostic information
7500-XXX
No
or
2-119