Xanavi Birdview Navigation System Download. (Note, 'T-50' staples and brads should fit. Grasp the black plastic catch at the rear of the stapler base, pull very hard (probably 5lbs or more) and the catch will move about 1/4' away from the stapler ('down' if you think of the stapler in its usual orientation.) You can then slide the catch and the spring mechanism 'backwards' leaving room to insert staples or brads. Powershot Pro (Model 8000) Loading staples is pretty much what you would guess, EXCEPT that releasing the catch takes a very strong pull, or it won't budge at all.
