Sharp AR-FN7 Service Manual page 12

4) Remove the top cover.
<1> Remove the four top cover securing screws and remove the top
cover.
Top cover
<2> Remove the four pawls from the top cover and separate the cover
into the upper and lower portions. Reuse the upper portion.
Pawl
5) Attach the punch module.
<1> Insert the two bosses of the punch unit into the boss holes of the
finisher and fix the punch module using three screws.
Note: For the screws, use a supplied screw and the two screws that have
been removed in step 4).
Boss hole
Boss
Screw
Punch module
Screw
Screw
Top cover
Pawl
Boss hole
Boss
Screw (with rosette) (supplied with this module)
AR-FN7/PN1 UNPACKING AND INSTALLATION 3-5
6) Connect the harness of the punch module to the PWB of the finisher.
<1> Remove the clamps that fix the harness, handle the wiring of
harness A (purple) and harness B (orange), and fix them with the
clamps.
Harness B (orange)
Harness A (purple)
Clamps
Harness B (orange)
Clamps
Harness A (purple)
7) Reattach the covers that have been removed.
<1> Hang the two pawls of the top cover and secure them using the two
screws.
Screw
Pawl
<2> Pass the relay harness to the rear cabinet and secure the rear
cabinet using the three screws.
Screws
Screw
Top cover
Rear cabinet
Screw
Opening for
relay harness
Relay harness