The output bin supports stacking of paper, card stock and transparencies. For additional output, one Offset Stacker or one 4-Bin Mailbox can be placed under the Finisher. 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. 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 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 Staple Finisher supports finisher bin 'empty' and 'full' sensing. Features: - Brand compatibility: Lexmark - Compatibility: B2865dw, MS725dvn, MS821n, MS821dn, MX822ade, MS822de, MX822adxe, MS823n, MS823dn, MS825dn, MS826de, MX826adxe, MX826ade. - Maximum capacity: 500 - Product colour: Black - Supported media weight(s): 60 - 90 Media formats: - Legal: Yes - Letter: Yes - Media types supported: A4, A5, Oficio, Folio Vendor information: - Brand Name: Lexmark - Warranty: 1 - Product.Details.Specifications.Level1: Server, Computer & Printer Parts - Product.Details.Specifications.Level2: Printers & Spare Parts - Product.Details.Specifications.Level3: Trays & Feeders