Switch (Sheet Through) Static Jam; Sensor (Sheet Through) On Jam - Lexmark X850e Service Manual

290.00 Switch (sheet through) static jam

Step
1 Check the sensor (sheet through).
Is the feed media path free of media or media fragments?
2 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?
3 Check the sensor (sheet through) for connection.
Is the above sensor connected properly?
4 Place an undamaged document in the ADF, and perform a
ADF test.
Does the error remain?
5 Place an undamaged document in the ADF, and perform a
ADF test.
Does the error remain?

290.01 Sensor (sheet through) on jam

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?
Check
"ADF rear cover
4-165.
Check
Yes
Go to step 2. Remove any
media or media
fragments.
Go to step 4. Go to step 3.
Replace the Replace the
sensor (sheet connection.
through).
"Sensor
Go to
(sheet through)
removal" on
page 4-200.
Replace the ADF Go to step 5.
controller card
assembly.
Go to "ADF
controller card
assembly
removal" on
page 4-167.
Replace the RIP Problem solved.
card assembly.
Go to "RIP card
assembly
removal" on
page 4-128.
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.
Diagnostic information
7500-XXX
No
No
2-87