Oki LPR C7500 User Manual page 157

PCL driver
®
1. Click Start
2. Highlight the printer name and click
3. Click the Device Option
4. Click OK and close the Printers dialog box.
C7100/C7300/C7500 Windows 2000 Printer Drivers • 156
® Printers.
Settings
tab, click
File then Properties.
Duplex Option Unit.