Sensor (HPU throat media present) 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
Check the rear door:
• Open the rear door, and check if it closes properly.
• Check the rear door rollers and locking mechanism for damage.
Is the rear door functional and free of damage?
Go to step 5. Replace the finisher.
See
“Staple, hole
punch finisher option
removal” on page
840.
Step 5
a Open the rear door. Check the upper and lower rollers on the finisher
side for damage.
b Open the left cover. Reseat the cable J22 on the HPU controller board.
c Check the paper path gears for damage.
Note: To access the gears, remove the four screws from the HPU
controller board (no need to remove the board, just move it out of
the way), and then remove the screws securing the grounding plate.
The gears are found under the grounding plate.
Are the paper path components free of damage?
If the error persists,
then go to step 6.
Replace the finisher
option. See
“Staple,
hole punch finisher
option removal” on
page 840.
7463
Diagnostic information
205
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