Transfer Module Error Service Check; Engine Software Error, Nvram Mgr Problem - Lexmark X746de Service Manual

Step Action and questions
Contact your next level of support. You will need the following information for them:
31
• Exact 900.xx error digits and complete error message
• Printed menu settings page
• Printed network settings page
• Device error log
• A sample print file if error appears to be isolated to a single file
• File/Application used if error is related to specific print file
• Device Operating System
• Driver used (PCL/PS)
• Frequency of the occurrence of the error
900.05—Transfer module error service check
Step Questions / actions
1. Turn the printer off.
1
2. Remove the rear frame cover. See
frame cover removal" on page
3. Check the transport cable in connector
JTPS1 for proper connection to the
system board, cable pinch points, and any
other damage to the cable or connector.
Is the cable damaged?
Replace the transfer module.
2
Did the error clear?
902.59—Engine software error, NVRAM MGR problem
Step Questions / actions
1. Turn off the printer.
1
2. Remove the rear frame cover. See
frame cover removal" on page
3. Check JPH1 and JTPS1 for proper
connection and damage.
4. Check the transport cable on the transfer
belt module side for any damage.
Is either of the cables damaged?
1. Reseat the JPH1 and JTPS1 cables.
2
2. Reseat the transport cable on the transfer
belt module side.
3. Power on the printer.
Does the problem persist?
Install a new transfer module to verify if the
3
old transfer module is defective.
Does the problem persist?
Connect a new transport cable from outside
4
of the machine.
Does the problem persist?
Yes
Replace the transport
cable. See
"Transport
"Rear
cable removal" on
4-37.
page 4-182.
Problem resolved.
Yes
If the JTPS1 cable is
damaged, replace the
"Rear
JTPS1 cable.
4-37.
If the JPH1 cable is
damaged, replace the
printhead assembly. See
"Printhead removal,
installation, and
adjustment" on
page 4-140
Go to step 3.
Go to step 4.
1. Return the old transfer
module and transport
cable.
2. Go to step 5.
Yes No
No
Go to step 2.
Replace the system board.
See
"System board
removal" on page
No
Go to step 2.
Problem resolved.
Replace the transfer
module. See
"Transfer
module removal" on
page 4-180.
Replace the transport
cable. See
"Transport
cable removal" on
page 4-182.
Diagnostic information
7526
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