Executive Series 2426 Printer Family User’s GuideWindows Me/98/95 Operation • 362Duplex Printing(Printing on Both Sides of the Paper)PostScript or PCLUsage 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.• Duplexing cannot be used if Paper Weight is set to Ultra Heavy.See Paper (Media), “Weight and Type” on page 70.• Duplexing cannot be used if White Page Skip is set to ON.See “White page skip” on page 101 (PCR Emulation), page 105(PPR Emulation), and page 107 (FX Emulation).NOTEBefore you can perform duplex printing, unit must be• installed in the printerand• enabled in the driver.