The effort is the point on the back where the hand presses the stapler. The load is the staple. The fulcrum is the hinge at the back.
You load the staples from the back of the stapler, there is a thumb depression on the back of it. Look and you will see it.
Turn off the stapler and lift the door cover. Push down on the blue or black plunger protruding from the stapler head. Load as you would a normal stapler.
Very Carefully!
How to load nails and need the instruction manual.
They load from the back. Push in and up and the back comes off.
A stapler is a class 1 lever, where the fulcrum is located at one end, the effort is applied at the other end, and the load is in the middle.
The staple has a feature called QuickLoad front magazine that simplifies staple refilling. Press the button on the magazine. Pull out the magazine and load it. Use only the recommended stables for your stapler.
Simplier than you think - load staples from back of stapler. The back silver piece - you have to push in - forward and lift up backpiece and slide it out and upward and at an angle. There are two small barbs that hold piece into stapler. push in and lift piece at backup to unhook springed loading area.
There is a button in the back, right above where the charger plugs into the stapler. Push the button and the staple holder pops out.
Third class lever. Here power lies in between load and fulcrum.
You don't. Just throw the thing away and get a swingline