Brother MFC-9880 Owner's Manual page 125

To print the document:
3
From your Macintosh application software, click File menu and select Page Setup. You can
change the settings for Paper Size, Orientation and Scaling, then click OK.
4
From application software, click File menu and select Print. Click Print to start printing.
If you want to change Copies, Pages, Resolution, Paper Source and Media
Type, select your settings before clicking Print.
Option Setup allows you to change Duplex.
Using the Brother MFC with a New Power Macintosh
® ™
G3, G4 or iMac /iBook
™
115