Duplex Left Door Assembly Open; Exit 2 Left Door Assembly Open - Lexmark X850e Service Manual

Duplex left door assembly open

Step
1 Check the duplex left door assembly for opening and
closing.
Does the duplex left door assembly open or close
normally?
2 Check the switch (duplex left door interlock) for proper
operation.
1. Enter the Diagnostics Menu.
2. Touch DUPLEX TESTS.
3. Touch Sensor Test.
4. Touch Door D duplex left.
Open the duplex left door assembly, and visually check
it.
Does the operator panel change every time the actuator
on the above switch operates?
3 Check the switch (duplex left door interlock) for proper
connection.
Is the above switch connected properly?
4 Check the duplex controller card assembly and printer
engine card assembly for proper connection.
Are the connections on the duplex controller card
assembly and the connector P417 on the printer engine
card assembly connected?
5 Perform a 2 sided print test.
Does the error still occur?
6 Perform a 2 sided print test.
Does the error still occur?

Exit 2 left door assembly open

Step
1 Check the exit 2 left door assembly for opening and
closing.
Does the exit 2 left door assembly open or close
normally?
Check
Check
Yes
Go to step 2. Check the duplex
left cover assembly
for deformation and
reinstall it.
Reconnect the Go to step 3.
connector on the
printer engine card
assembly.
Go to step 4. Replace the
connection.
Go to step 5. Replace the
connection.
Replace the duplex Problem solved.
controller card
assembly.
Go to "Duplex
controller card
assembly removal"
on page 4-304.
Go to step 6.
Replace the printer Problem solved.
engine card
assembly.
Go to "Printer
engine card
assembly removal"
on page 4-117.
Yes
Go to step 2. Check the exit 2 left
door assembly for
deformation, and
then reinstall it.
Go to
cover removal" on
page
Diagnostic information
7500-XXX
No
No
"Exit 2 left
4-319.
2-181