Brother HL-8050N - Manual (Page 188)

APPENDIXES A - 30
Printable Area
When using A4/Letter, 8.5" × 14" (Legal) or smaller.
■
Printable area" refers to the area on a page where
printing is possible.
■
"Non-printable area" refers to the area (the edges)
on the page where printing is not possible.
1. Printable area
2. Non printable area
4.2 mm
4.2 mm