Oki C5400 Guide: User's, C5400 Series (American English) - Page 170

Duplex Printing (Printing on Both Sides of The Paper) 98 / Me / XP / NT 4.0 NOTE The optional duplex unit must be installed in the printer and enabled before duplex printing can be carried out. (See the instructions supplied with the duplex unit.) • Paper weight range 20 to 28 lb. US Bond (75 to 105 g/m²). • Paper must be loaded print side up. • Any tray (Tray 1, optional Tray 2, MP tray) can be used for duplex printing. NOTE These instructions explain how to change the settings as you are printing a job. If you wish to change the settings to apply to all jobs: • Click Start → Settings → Printers [for XP, Printers and Faxes]. • Right click the appropriate printer name, then select Properties. • Click Printing Preferences. • Follow steps 3, etc., below. Note that the Properties screen for setting defaults will have more tabs. 1. Open the file in your application and select File → Print. 2. In the Print dialog box, click the PCL printer, then: a. Windows 98/Me/NT4.0: click Properties. b. Windows XP: click Preferences Windows: PCL Emulation Driver • 168