Action Yes No
Step 5
a Make sure the sensor (mailbox diverter plunger HP) is aligned and
properly seated.
b Reseat the sensor cable on the sensor side. Reseat also the sensor
connector J8 on the controller board. POR the machine.
Does the error remain?
Replace the sensor
(mailbox diverter
plunger HP). See
“Sensor (mailbox
diverter plunger HP)
removal” on page
810.
If the error persists,
then go to step 6.
The problem is solved.
Step 6
Reseat all the connectors on the controller board. POR the machine.
Does the error remain?
Replace the controller
board. See
“Mailbox
controller board
removal” on page
809.
If the error persists,
then replace the
mailbox assembly. See
“Mailbox option
removal” on page
791.
The problem is solved.
45y paper jams
[x]‑page jam, remove paper, open finisher rear door. Leave paper in bin. [451]
1 Open the rear staple finisher door.
2 Firmly grasp the jammed paper on each side, and then gently pull it out.
Note: Make sure all paper fragments are removed.
7463
Diagnostic information
167
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