HP PCL/PJL reference (PCL 5 Printer Language) - Technical Reference Manual Part II
EN WG, Fill Wedge 21-49
Figure 21-28
The center point of the above circle is located at (0,0).
Note When transparency mode (TR command) is opaque, filling then 
edging an object may produce different results from edging and then 
filling. This is especially true when large pen widths are used. The 
following example illustrates this.
?%0A Enter the PCL mode.
?E Send a reset to end the job and eject the 
page.
Table 21-26 Example: Filling then Edging vs.
Edging then Filling Chart (continued)
Table 21-27 Example:
?E Reset the printer.
?%0B Enter HP-GL/2 mode.
IN; Initialize HP-GL/2 mode.
SP1; Select printer logical pen number 1.
TR0;  Set transparency mode OFF (opaque)
PU4000,6000; Position pen.










