We have gone through two of these staplers. Both of them jammed constantly. The stapler is designed to be used while holding in the hand, rather than flat on the desk. However, when used in this manner, the stapler jams. It is best used if you are going to be leaving it flat on the desk and stapling that way. Do not attempt to pick it up and staple your papers, you will be left with crumpled corners filled with staple holes from the jams. This was purchased for someone in the office that needed an ergonomic design. We thought we found it with this stapler, but were sadly mistaken.
I purchased this swingline stapler for the brand quality. I loved it at first but then it stopped working just over one year. The company is aware of the defect but will only replace it with in a year. I certainly thought it would last longer.