Lexmark CX825 Service Manual page 401

Action
Step 19
a
Reseat the HPT controller board cables.
b
Make sure that the cables are properly routed.
Does the problem remain?
Step 20
Check the controller board for damage.
Is the controller board free of damage?
Step 21
Replace the controller board. See
on page 870.
Does the problem remain?
Step 22
a
Reseat the mailbox controller board cables.
b
Make sure that the cables are properly routed.
Does the problem remain?
Step 23
Check the controller board for damage.
Is the controller board free of damage?
Step 24
Replace the controller board. See
removal" on page 1207.
Does the problem remain?
Step 25
Reseat the MSHPF power supply cables, and then check the power
supply for proper installation.
Is the power supply properly installed?
Step 26
Check the power supply and its connector pins for damage.
Is the power supply free of damage?
Step 27
Reinstall or replace the power supply. See
removal" on page 933.
Does the problem remain?
"HPT controller board removal"
"Mailbox controller board
"MSHPF power supply
Diagnostic information
401
Yes No
Go to step 20. The problem is
solved.
Go to step 22. Go to step 21.
Go to step 22. The problem is
solved.
Go to step 23. The problem is
solved.
Go to step 25. Go to step 24.
Go to step 25. The problem is
solved.
Go to step 26. Go to step 27.
Go to step 28. Go to step 27.
Go to step 28. The problem is
solved.
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