The Paper Transport Unit moves pages from the printer to either the 1,250-Sheet Staple Hole Punch Finisher or the 2,250-Sheet Booklet Staple Hole Punch Finisher. The Paper Transport is compatible with all Lexmark A3/Series 9 printers, this option will increase productivity and support your business needs by allowing prints to move through any Lexmark™ A3 finishing options, which will then organize your print jobs. Accessory Type: Paper Transport Unit; Dimensions: 5.6 x 16.2 x 18.3; For Use With: Lexmark™ CS963e, CX833se, CX833xse, CX961se, CX961tse, CX962se, CX962tse, CX963se, CX963xse; Color(s): Black.