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

EN Enhancing Labels 23-9
You can use the Character Plot (CP) command to move the pen a
specific number of lines or spaces (character cells) from the current
pen location. Use the CP command, for example, to indent a label a
certain number of spaces.
Label Orientation and Placement
You can place your labels anywhere on the page in any orientation.
The Absolute Direction (DI) command specifies the angle at which
you want to print the characters, independent of the location of P1
and P2. The Relative Direction (DR) command specifies the angle at
which you want to print the characters as a function of the P1 and P2
distance; thus when you change P1 and P2, the label angle changes
to maintain the same orientation.
The DI and DR commands allow you to print text at any angle with the
letters in their normal side-by-side orientation.
Figure 23-2 Label Orientation and Direction
Note Bit map characters are always printed orthogonally to the page (refer
to Figure 23-17). Scalable characters print in the direction specified.