Lexmark MS81x - Finisher Door Undetected Service Check

Action Yes No
Step 7
Check the sensor (bin full receive) and sensor (bin full send). Re-install the
sensors and make sure they are correctly aligned.
Are the sensors free of damage?
Go to step 8. Replace the sensor (bin
full receive) and the
sensor (bin full send).
Go to “Sensor (bin full
receive) removal” on
page 498 and “Sensor
(bin full send)
removal” on page
497.
Step 8
Check the output bin elevator:
• manually push the elevator down and check if it goes back to its home
position when released
• check the elevator springs if they are not dislodged or misaligned
Is the above component ok?
Go to step 9. Replace the staple
finisher assembly. Go
to “Staple finisher
assembly removal” on
page 471.
Step 9
Open the left cover, reseat all connectors on the controller PCBA and then
POR the machine.
Does the error remain?
Replace the controller
PCBA. Go to “Stapler
controller PCBA
removal” on page
496.
If the error persists,
then replace the staple
finisher. Go to “Staple
finisher assembly
removal” on page
471.
The problem is solved.
Finisher door undetected service check
Action Yes No
Step 1
Is the staple finisher the only output option installed?
Go to step 4. Go to step 2.
Step 2
Remove all output options and re-install only the staple finisher.
Enter Diagnostics Menu and navigate to:
Output bin tests > Feed to all bins
Does the output option feed to all bins normally?
Perform step 2 again
using the other
remaining output bins.
Go to step 3.
Step 3
Check the auto connector end of the option previously installed below the
staple finisher.
Is it free of damage?
Go to step 4. Replace the upper
interface cable of the
output option
previously installed
under the staple
finisher.
4063
Diagnostic information
216