Options The following mail piece detection options are available: Option Description None Used when PDF documents only contain one mail piece and as such do not require detection. Instead, individual mail pieces are combined in a single PDF. Piece has n sides Used when each mail piece contained in a PDF document has a consistent number of sides. Identify first page Used when the first page of a mail piece can be used for detection. Identify last page Used when the last page of a mail piece can be used for detection. Selecting To select a mail piece detection option, perform the following actions: 1. Select a Task. 2. Open the Mail Piece Detection tab (Fig. 22). 3. In the Mail Piece Detection panel click the radio button of the required option.