Lexmark M52 Series Service Manual page 207

Action
Step 9
Reseat the cable on the sensor (mailbox diverter plunger) and on
the mailbox controller board.
Does the problem remain?
Step 10
Check the sensor for improper installation, contamination, and
damage.
Is the sensor properly installed and free of contamination and
damage?
Step 11
Reinstall or replace the sensor. See
plunger) removal" on page
Does the problem remain?
Step 12
Check the mailbox diverter plunger for improper installation and
damage.
Is the diverter plunger properly installed and free of damage?
Step 13
Reinstall or replace the diverter plunger. See
plunger assembly removal" on page
Does the problem remain?
Step 14
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 15
Check the affected controller board and its connector pins for
damage.
Are the bin controller board and its connectors free of damage?
Step 16
Replace the bin controller board. See
removal" on page 667.
Does the problem remain?
"Sensor (mailbox diverter
668.
"Mailbox diverter
658.
"Mailbox controller board
Diagnostics and troubleshooting
207
Yes No
Go to step 10. The problem is
solved.
Go to step 12. Go to step 11.
Go to step 12. The problem is
solved.
Go to step 14. Go to step 13.
Go to step 14. The problem is
solved.
Go to step 15. The problem is
solved.
Contact the next Go to step 16.
level of support.
Contact the next The problem is
level of support. solved.
4064