Activating the Optional Duplex Unit in the Driver
Once you have installed the optional duplex ujnit, you must activate it:
1.Select the Destkop Printer and leave highlighted.
2.From the Menu, click Printing → Change Setup.... The current setup appears under Installable Options. To manually alter the setup:
a.Beside Change, click the down arrow and select Duplex.
b.Beside To, click Installed or Not Installed to enable. A check mark ✓ appears for the current selection.
3.Click OK to save and exit.
Sharp