Engine Software Error, Nvram Mgr Problem - Lexmark X734de Service Manual

902.59—Engine software error, NVRAM MGR problem
Step Questions / actions
1 Has the system board been recently
replaced?
2 Has the transfer module been recently
replaced?
3
Make sure the printhead is connected to
connector JPH1
Remove the rear frame cover. See
frame cover removal" on page
Is the printhead connected correctly?
4 Has the printhead been recently replaced?
Replace with a new
printhead that has never
been used before. See
"System board removal"
on page 4-148.
Replace with a new
transfer module. See
"Transfer module
removal" on page
Go to step 4.
"Rear
4-38.
Replace with a new part.
See "Printhead removal,
installation, and
adjustment" on
page 4-128.
Yes
Go to step 2.
Go to step 3.
4-168.
Reseat the connector.
Contact the next level of
support.
Diagnostic information
7526
No
2-105