Transfer Module Error Service Check; Engine Software Error, Nvram Mgr Problem Service Check - Lexmark C746n Service Manual

5026
Step Action and questions
Upgrade the firmware. Contact your next level of
29
support for the correct firmware level to use.
Restart the printer to operating mode.
Does the 900.xx error reoccur?
Replace the faulty ISP option. Restart the device.
30
Does the 900.xx error reoccur?
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.
4. Open the front access door and check the
transport cable for pinch points and any
other damage to the cable or connector.
Is the cable damaged?
Replace the transfer module.
2
Does the error clear?
902.59—Engine software error, NVRAM MGR problem service check
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?
Service Manual
2-98
Yes
Replace the transport
cable. See
"Transport
"Rear
cable removal" on
4-47.
page 4-181.
Problem resolved.
Yes
If the JTPS1 cable is
damaged, replace the
"Rear
JTPS1 cable.
4-47.
If the JPH1 cable is
damaged, replace the
printhead assembly. See
"Printhead removal,
installation, and
adjustment" on
page 4-153
Yes No
Go to step 30. Go to step 26.
Go to step 31. Go to step 26.
No
Go to step 2.
Replace the system board.
See
"System board
removal" on page
No
Go to step 2.
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4-163.