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

EN DV, Define Variable Text Path 23-47
• 3 — –270 degrees.(Up) Within a label, each character begins
above the previous character. This is a vertical text path
(unless altered by DI or DR).
The following illustration shows the four text paths.
Figure 23-26Four Text Paths
z Line— Specifies the location of each character with respect to
the preceding character, relative to the labeling direction defined
by the DI or DR commands.
z 0 — –90 degrees.(Normal Line Feed) Sets the direction of Line
Feeds –90 degrees with respect to the text path.