Lexmark MS911 Service Manual page 88

Action
Step 9
a
Rotate the two knobs on the SHPF, and check the entrance roller and
top bin exit roller for proper rotation:
b
Check the ball bearings for wear or damage, and replace if necessary.
See "SHPF—Transport section 3" on page 585
section 4" on page 587.
Does the problem remain?
Step 10
a
Make sure that the rollers are free of debris or dust.
b
Check the rollers for wear or damage, and replace if necessary. See
"SHPF—Transport section 3" on page 585
section 4" on page 587.
Does the problem remain?
Step 11
a
Reseat the cable J9 on the SHPF controller board.
b
If applicable, reseat the junction connectors on the cable.
c
Make sure that the cable is not in the path of moving parts.
d
Check the cable for damage, and replace if necessary.
Does the problem remain?
Step 12
a
Reseat the interface cable on the SHPF controller board and printer
controller board.
b
Reseat the junction connector on the cable.
c
Check the cable for damage, and replace if necessary.
Does the problem remain?
Step 13
a
Reseat all the cables on the SHPF controller board.
b
Reset the printer.
Does the problem remain?
Step 14
Replace the controller board. See
page 364.
Does the problem remain?
and "SHPF—Transport
and "SHPF—Transport
"SHPF controller board removal" on
Diagnostic information
88
Yes No
Go to step 10. The problem is solved.
Go to step 11. The problem is solved.
Go to step 12. The problem is solved.
Go to step 13. The problem is solved.
Go to step 14. The problem is solved.
Contact the next level The problem is solved.
of support.
4021, 7421