Brother MFC-3240C - Manual (Page 36)

2 - 4 HOW TO SCAN USING WINDOWS ®
■
The scanner resolution you can select is up to 1200 dpi.
■
For resolutions greater than 1200 dpi, use the Brother
Scanner Utility. (See Brother Scanner Utility on page 2-9.)
■
You cannot select the Paper source (A) other than
Document Feeder.