Brother HL-2170W - Manual (Page 156)

CHAPTER 4 HP-GL/2 - 5
DI Absolute direction 45
DR Relative direction 46
DV Define variable text path 47
CP Relative character movement 47
CF Character fill mode 48
SI Set absolute character size 48
SR Set relative character size 49
SL Character slant 49
SB Scalable or bitmap fonts 50
ES Extra space 50
TD Transparent data 50