Finisher door (HPU) undetected service check
Action Yes No
Step 1
a POR the machine.
b Open the rear door, and then remove all obstructions along the paper
path.
c Properly close the rear door.
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 759.
Remove the left cover. Reseat the cable J15 on the controller PCBA, then
POR the machine.
Does the error remain?
Go to step 3. The problem is solved.
Step 3
Do the following:
• Open, and then close the rear door. Check if the rear door closes
properly.
• Check the rear door rollers for damage.
• Remove all obstructions along the paper path.
Is the rear door functional and free of damage?
If the error persists,
then go to step 4.
Replace the finisher
option. See “Staple,
hole punch finisher
option removal” on
page 738.
Step 4
a Open the rear door and the left cover. Make sure the sensor (HPU rear
door interlock) is properly aligned and seated.
b Reseat the sensor cable J4 on the HPU controller PCBA. Reseat the
same cable on its sensor end.
Does the error remain?
Replace the sensor
(HPU rear door
interlock). See “Sensor
(HPU rear door
interlock) removal” on
page 776.
If the error persists,
then go to step 5.
The problem is solved.
Step 5
a Reseat all cables on the HPU controller PCBA.
b Reseat the cables J27, J19, and J13 on the stapler controller PCBA.
Does the error remain?
Replace the finisher
option. See “Staple,
hole punch finisher
option removal” on
page 738.
If the error persists,
then go to step 6.
The problem is solved.
4063
Diagnostic information
312
To Next Page
Loading...
