The Staple Finisher supports single-position stapling for A4, A5, letter, legal, folio or oficio paper sizes, stapling up to 50 sheets per set (20 lb., 75 gsm). It also offers dual position job offset and job stacking. The output bin supports up to 500 sheets of unstapled paper (20 lb., 75 gsm). The stapler can staple a maximum of 50 sheets per set in A4, A5, Letter, Legal, Oficio or Folio sizes. Offset output is supported for A4, A5, JIS-B5, Legal, Letter, Folio, Executive, Oficio and Statement sizes Staple cartridges contain 5,000 staples. Refill staple cartridges are available in packages of 3 cartridges. Smart sensing indicates when the staple supply is low as well as empty. For additional output, one Offset Stacker or one 4-Bin Mailbox can be placed under the Finisher. The output bin supports stacking of paper, card stock and transparencies. The Staple Finisher supports finisher bin empty and full sensing. Manufacturer: Lexmark International, Inc. Manufacturer Part Number: 50G0850. Brand Name: Lexmark. Product Name: Staple Finisher. Product Type: Stacker/Stapler. [Technical Information] Media Type: Plain Paper. Media Size: A4 - 8.30" x 11.70". A5 - 5.80" x 8.30". Letter - 8.50" x 11". Legal - 8.50" x 14". Folio - 8.27" x 13". B5 (JIS). Executive - 7.25" x 10.50". Statement - 8.50" x 5.50". Media Capacity: 500 Sheets. [Physical Characteristics] Height: 9.7". Width: 17.1". Depth: 16.3". Weight (Approximate): 13.20 lb. [Miscellaneous] Compatibility: Lexmark Printers: MS821dn MX822adxe MX826ade B2865dw MS821n MX822ade MX826adxe MS823dn MS825dn MS822de MS826de MS823n MS725dvn . Country of Origin: China.