Brother MFC-1816 User Manual page 48

Scanning
 JIS B6 128 x 182 mm (5 x 7.2 in)
A6 105 x 148 mm (4.1 x 5.8 in)

Executive 184.1 x 266.7 mm (7 1/4 x 10 1/2 in)

 Business Card 90 x 60 mm (3.5 x 2.4 in)
To scan business cards, choose the Business Card size, and then place the business card face down at
the top left of the scanner glass.
10 x 15 cm (4 x 6 in)

13 x 20 cm (5 x 8 in)

 9 x 13 cm (3.5 x 5 in)
 13 x 18 cm (5 x 7 in)
 Postcard 1 100 x 148 mm (3.9 x 5.8 in)
 Postcard 2 (Double) 148 x 200 mm (5.8 x 7.9 in)
 Custom
(For DCP models) User adjustable from 8.9  8.9 mm to 215.9  297 mm
(For MFC models) User adjustable from 8.9  8.9 mm to 215.9  355.6 mm
If you choose Custom as the size, the Custom Document Size dialog box appears.
Enter the Custom Document Size Name, Width and Height for the document.
You can choose 'mm' or 'inch' as the unit for Width and Height.
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