Stapler carriage (HPU) jam service check
Action Yes No
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?
Go to step 2. The problem is solved.
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 controller board, then
POR the machine.
Does the error remain?
Go to step 3. The problem is solved.
Step 3
Check the auto connector end of the machine below the finisher.
Is it free of damage?
Go to step 4. Replace the upper
interface cable of the
machine under the
finisher.
Step 4
Remove the left cover. Reseat the cable J7 on the stapler controller board,
and then POR the machine.
Does the error remain?
Go to step 5. The problem is solved.
Step 5
Remove the right cover. Reseat the two cables on the stapler carriage,
then POR the machine.
Does the error remain?
Go to step 6. The problem is solved.
Step 6
Check the stapler carriage cable J7 from the controller board to the stapler
end.
Is it free of damage?
Go to step 7. Replace the door limit
switch with cable. See
“Stapler door close
limit switch removal”
on page 846.
If the error persists,
then replace the
stapler carriage. See
“Stapler carriage
assembly removal” on
page 848.
7463
Diagnostic information
208