Canon LASER CLASS 730i Service Manual page 241

3.3 Verification Stamp Unit
3.3.1 Service operations
a) External View
b) Installation
b-1) Unpacking
Check that the box contains the stamp unit and one screw.
b-2) Attachment to the main unit
(1) Disconnect the power cord of the fax unit at the power source.
(2) While holding the upper reader frame and the middle reader frame open with one
hand, use one finger of your other hand to gently push in the stopper to separate it
from the stub on the fax machine, and open the upper reader frame and the middle
reader frame.
LASER CLASS 730i/720i/710 Chapter 5: Appendix
Figure 5-33 External View
Figure 5-34 Stamp Unit Installation 1
5-33