Duplex Controller Card Assembly Type Failure; Duplex Left Door Assembly Open - Lexmark W840 Service Manual

4024-XXX
Step
3 Perform a 2 sided print test.
Does the error still occur?
4 Perform a 2 sided print test.
Does the error still occur?

997.00 Duplex controller card assembly type failure

Step
1 Check the duplex unit for proper installation.
Remove duplex unit assembly, and reinstall it.
Perform a two sided print test.
Does the error still occur?
2 Perform a 2 sided print test.
Does the error still occur?
3 Perform a 2 sided print test.
Does the error still occur?

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?
2-90
Options Service Manual
Check
Check
Check
Yes
Replace the duplex Problem solved.
controller card
assembly.
Go to "Duplex
controller card
assembly removal"
on page 4-181.
Go to step 4.
Replace the printer Problem solved.
engine card
assembly.
Refer to the Printer
Service Manual.
Yes
Go to step 2. Problem solved.
Replace the duplex Problem solved.
controller card
assembly.
Go to "Duplex
controller card
assembly removal"
on page 4-181.
Go to step 3.
Replace the printer Problem solved.
engine card
assembly.
Refer to the Printer
Service Manual.
Yes
Go to step 2. Check the duplex
left cover assembly
for deformation and
reinstall it.
No
No
No