Lexmark Duplex Unit in More Detail
Duplex Unit for Lexmark C770, C772 Printers. Supports A4, A5, JIS B5, Letter, Folio, Executive, Legal and Statement sizes. Paper (20 to 47#, 75 to 176gsm) and card stock (except A5) may be used with this unit. An optional 500-Sheet Drawer is required when utilizsng a 2000-Sheet Drawer and a Duplex Unit. The first option under a duplex unit must be a 500-Sheet Drawer. The duplex unit ds not support A5 cardstock, outdoor media, banner paper, transparencies, envelopes, vinyl labels or polyester labels.