Lexmark M5150 Service Manual page 194

Action
Step 5
Remove the right cover. Reseat the two cables on the stapler carriage,
then POR the machine.
Does the error remain?
Step 6
Check the stapler carriage cable J7 from the controller PCBA to the stapler
end.
Is it free of damage?
Step 7
Remove the stapler carriage. Manually turn the gears to open the stapling
mechanism. While open, check the area inside the stapling mechanism
and make sure it is free from obstructions.
Is it free of damage?
Step 8
Reseat all connectors on the stapler controller PCBA and then POR the
machine.
Does the error remain?
Yes
Go to step 6.
Go to step 7.
Go to step 8.
Replace the stapler
controller PCBA. See
"Stapler controller
PCBA removal" on
page
If the error persists,
then replace the
finisher. See
hole punch finisher
option removal" on
page
Diagnostic information
194
No
The problem is solved.
Replace the door limit
switch with cable. See
"Stapler door close
limit switch removal"
on page
If the error persists,
then replace the
stapler carriage. See
"Stapler carriage
assembly removal" on
page 746.
Replace the stapler
carriage. See
carriage assembly
removal" on page
746.
The problem is solved.
749.
"Staple,
738.
4063
743.
"Stapler