Brother MFC-8640D - Manual (Page 31)

PRINTER DRIVER SETTINGS 2 - 6
Advanced tab
Change the tab settings by selecting one of the following icons:
1 Print Quality
2 Duplex
3 Watermark
4 Page Setting
5 Device Options
Print Quality
Resolution
You can select from the following resolutions:
■ HQ 1200
■ 600 dpi
■ 300 dpi
To return to the default settings, click the Default button.
When you select Use Duplex Unit, HQ 1200 is not available.
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