9Long Edge versusShort EdgeLong EdgeShort EdgeSpecificationsPaper Weight20 to 28 lb. US Bond (75 to 105 g/m 2).NoteIf you experience curling with 20or 24 lb. paper, switch to 28 lb.Paper FeedTray 1, Optional Tray 2 or MP Tray.Paper ExitTop Exit Tray or Rear Exit tray.Paper Sizesï Letter, Legal-14, Legal-13.5,Legal-13, A4, A5, Executive, B5.ï Custom: MP Tray only, range5.8" x 8º" (148 x 210 mm) to5.5" x 14" (215.9 x 355.6 mm)How to Print a FileUsing the DuplexerOpen the file you wish to print andclick File → Print. Select the C6100Series printer.Windows1. For all but Windows 2000, clickProperties or Preferences.Otherwise go to step 2.2. On the Setup tab, select LongEdge or Short Edge under2-Sided Printing.Macintosh1. Under Presets, select Duplex.2. Under Duplex, select Long-EdgeBinding or Short-Edge Binding.Duplex Printing(Printing on Both Sides of the Page)