Finisher (Hpu) Diverter Jam Service Check - Lexmark MX71x Service Manual

Finisher (HPU) diverter jam service check

Action
Step 1
a
POR the printer.
b
Reseat the installed output option on the printer.
c
Clear obstructions along the paper path.
d
Make sure that the sensors (pass through) are free from obstructions.
e
Close the rear door properly.
Does the error remain?
Step 2
Check the lower interface cable. If damaged, then replace the lower
interface cable. See "Staple, hole punch lower interface cable removal"
on page 861.
Remove the left cover. Reseat the cable J15 on the stapler controller
board, then POR the machine.
Does the error remain?
Step 3
Check the auto connector end of the machine below the finisher.
Is it free of damage?
Step 4
a
Reseat the cable J14 on the stapler controller board, then reseat the
same cable on the motor end.
b
Remove the two screws securing the stapler diverter motor to the
option. Pull away the motor to view its rotation later during the feed
test.
c
Do a feed test. Enter Diagnostics Menu and navigate to :
FINISHER TESTS > Feed Test
Does the diverter motor run?
Step 5
Check the diverter plunger assembly:
•
Rotate the diverter cam and check if the diverter plunger moves up
and down.
•
Check the diverter plunger and cam for damage. See
plunger assembly removal" on page
Reseat the cable J8 on the stapler controller board, and then POR the
machine.
Are the diverter plunger assembly components functional and free of
damage?
"Stapler diverter
856.
Diagnostic information
201
Yes No
Go to step 2. The problem is solved.
Go to step 3. The problem is solved.
Go to step 4. Replace the upper
interface cable of the
machine under the
finisher.
Go to step 5. Replace the diverter
motor. See
diverter motor
removal" on page
855.
Go to step 6. Replace the diverter
plunger assembly. See
"Stapler diverter
plunger assembly
removal" on page
856.
7463
"Stapler