Finisher-Z1 Number of Trays: Paper Size Standard: Non-Standard Size: Paper Weight: Paper Capacity Per Tray: Paper Capacity of Staple Mode: Max. Stapling Capacity Letter: 11" x 17", Legal, Letter-R: Staple Mode: Dimensions (H x W x D): One Tray 12-5/8" x 17-11/16", 12" x 18", 11" x 17", Legal, Letter, Letter-R, Statement, Statement-R, Envelopes (COM10 No. 10, Monarch, DL, ISO-B5, ISO-C5, Yougata 4, Catalog Glove No.8) 3-7/8" x 5-9/16" to 12-5/8" x 18" 17 lb. Bond to 80 lb.