Lexmark M52 Series Service Manual page 281

Action
Step 8
Reinstall or replace the interface cable. See
finisher interface cable removal" on page
Does the problem remain?
Step 9
Make sure that the HPU controller board is properly installed.
Reseat the cables on the HPU controller board.
Does the problem remain?
Step 10
Check the HPU controller board and its connector pins for damage.
Are the HPU controller board and its connectors free of damage?
Step 11
Make sure that the controller board of the affected optional bin is
properly installed. Reseat all the cables on the controller board.
Does the problem remain?
Step 12
Check the affected controller board and its connector pins for
damage.
Are the bin controller board and its connectors free of damage?
Step 13
Replace the bin controller board. See
controller board removal" on page
Does the problem remain?
"Staple, hole punch
711.
"Staple, hole punch finisher
705.
Diagnostics and troubleshooting
281
Yes No
Go to step 9. The problem is
solved.
Go to step 10. The problem is
solved.
Go to step 11. Contact the next
level of support.
Go to step 12. The problem is
solved.
Contact the next Go to step 13.
level of support.
Contact the next The problem is
level of support. solved.
4064