- HP All-in-One Printer Manual

Q2431-90912 Chapter 5 Theory of operation 115
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.
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.
Figure 48. Staple operation (3 of 3)
Side view
Front view
Staple
Side view
Front view