Paper Size - Brother MFC-4820C User Manual

Paper Size

The Paper Size selection provides a large selection of standard
paper sizes. If you wish, you can create a custom size ranging from
89 x 127 mm to 216 x 355.6 mm. From the drop-down box, select the
Paper Size you are using.
You can enter custom size by selecting User Defined. Select the
proper paper thickness to improve the quality of your output.
PRINTER DRIVER SETTINGS 14 - 6