MX-3500N, MX-3501N, MX-4500N, MX-4501N (serv.man11). Complete Manual - Sharp Copying Equipment Service Manual (repair manual). Page 50

MX3500N  AR-PN1A/B/C/D  8 – 2

1)

Release the lock and separate the saddle finisher from the
main unit.

2)

Open the front door, and remove the knob.

3)

Remove the screws, and remove the front cabinet upper.

4)

Remove the screw, and remove the pawl (A) on the rear cabi-
net in the arrow direction (B), and remove the rear cabinet
upper in the arrow direction (C).
Remove the interface harnesses (2 pcs.) from the outlet port of
the rear cabinet upper.

5)

Remove the screws. Open the top door and remove the right
cabinet upper and the right cabinet middle.

6)

Remove the pawls (2 positions) of the upper cover, and sepa-
rate it into the upper and the lower sections. Reuse the upper
section.

C.  Replacement of the paper entry paper guide

1)

Remove the dust box of the punch unit.

2)

Remove the guide from the dust box.
The guide is not used in the MX-FNX2.