Sensor (Duplex Wait) Static Jam; Sensor (Registration) On Jam (Duplex Paper Feed) - Lexmark X850e Service Manual

7500-XXX

230.01 Sensor (duplex wait) static jam

Step
1 Check the paper position.
Open the duplex left door assembly, and visually check
it.
Does the paper touch the duplex wait actuator?
2 Check the sensor (duplex wait) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch DUPLEX TESTS.
3. Touch Sensor Test.
4. Touch Duplex wait.
Open the duplex left door assembly.
Does the display on the operator panel change every
time the sensing area of the above sensor is blocked by
the duplex wait actuator?
3 Check the sensor (duplex wait) for proper connection.
Is the above sensor connected properly?
4 Perform a 2 sided print test.
Does the error still occur?
5 Perform a 2 sided print test.
Does the error still occur?

231.00 Sensor (registration) on jam (duplex paper feed)

Step
1 Check the paper position.
Open the printer left door assembly and visually check
it.
Does the paper touch the sensor (registration)?
2 Check the Duplex for proper installation.
Remove duplex unit assembly and reinstall it.
Perform a two sided print test.
Does the error still occur?
2-54
MFP Service Manual
Check
Check
Yes
Remove the paper. Go to step 2.
Go to step 4. Go to step 3.
Replace the sensor Replace the
(duplex wait). connection.
"Duplex
Go to
sensor (duplex
wait) removal" on
page 4-307.
Replace the duplex Problem solved.
controller card
assembly.
Go to "Duplex
controller card
assembly removal"
on page 4-304.
Go to step 5.
Replace the printer Problem solved.
engine card
assembly.
Go to "Printer
engine card
assembly removal"
on page 4-117.
Yes
Remove the paper. Go to step 2.
Go to step 3. Problem solved.
No
No