83 > B401/B411/B431Manual duplexing: Model B401/B411• Use Tray 1, optional Tray 2*, Manual feed tray (one sheet at atime).* B411/B431 only• Usable paper sizes:- letter, Executive, Legal 13, Legal 14, Statement (5.5 x8.5'')- A4, A5, B5, A6- Custom: width 3.5 to 8.5 inches (90 – 216 mm), length5.8 to 14 inches (148 – 356 mm)• Usable paper weight: 16 to 32 lb. US Bond (120 g/m²)Manual duplexing: Model B431• Use Tray 1, optional Tray 2, Multi-purpose tray (up to 100sheets 20 lb. US Bond (75 g/m²).• Usable paper sizes:- letter, Executive, Legal 13, Legal 14, Statement (5.5 x8.5'')- A4, A5, B5, A6- Custom: width 3.5 to 8.5 inches (90 – 216 mm), length5.8 to 14 inches (148 – 356 mm)• Usable paper weight: 16 to 32 lb. US Bond (120 g/m²)Duplex printing1. Select File > Print and click the Properties button.2. Select the input tray from the Source drop down.3. In the 2-Sided Printing drop down menu, select eitherLong Edge (Auto) or Short Edge (Auto) according toyour printing preferences.