Executive Series 2426 Printer Family User’s GuideWindows 2000 Operation • 271Duplex Printing(Printing on Both Sides of the Paper)PostScriptUsage Restrictions• Standard paper sizes only.• Paper weight range 20 to 28 lb. US Bond (75 to 105 g/m ² ).• Paper must be loaded print side up.• Only Tray 1, optional Trays 2 and 3, and the High Capacity Feedertrays can be used for duplex printing.• The Multi Purpose (MP) tray cannot be used for duplex printing.NOTEThe optional duplex unit must be installed in the printer andenabled before duplex printing can be carried out.NOTETo change the settings to apply to all jobs:• Click Start → Settings → Printers.• Right click the appropriate printer name.Select Properties.• Follow steps 3, etc., below.More tabs appear in the Properties screen for settingdefaults.