HP Pro 4300 C9H70UT C9H70UT#ABA manual Staple operation 2, Staple operation 3

As staple cam 1 rotates, it raises the staple press head plate 1. This forms the flat staple into a “u” shape. While this is happening, the staple arm raises the swing guide.

Staple

Side view Front view

Figure 47. Staple operation (2 of 3)

As staple cam 2 rotates, it raises staple press head plate 2. This pushes the staple up and through the media. The staple arm raises the back end of the support base, bringing its front end in contact with the staple legs that protrude through the media and folding them to complete the staple operation.

Side view Front view

Figure 48. Staple operation (3 of 3)

Q2431-90912 Chapter 5 Theory of operation 115