HP PCL/PJL reference (PCL 5 Printer Language) - Technical Reference Manual Part II

EN AR, Arc Relative 20-15
Figure 20-10
Table 20-9
Related Commands Group
AA, Arc Absolute The Vector Group
AT, Absolute Arc Three Point
BR, Bezier Relative
BZ, Bezier Absolute
CI, Circle
RT, Relative Arc Three Point
LA, Line Attributes The Line and Fill Attributes Group
LT, Line Type
PW, Pen Width