Brother HL-5380DN - Line Block Drawing

Appendix
167
A
Line block drawing 0
ESC i ... V (or v)
‘V’ or ‘v’ is a terminator.
Expanded character data start 0
n = ‘l’ or ‘L’
Data that follows ‘l’ or ‘L’ is read as expanded character data (or labeling data). Expanded character data must
end with the ‘ \ ’ code (5CH), which also ends this command.