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

22-46 The Line and Fill Attributes Group EN
WU, Pen Width Unit Selection
This command specifies how the width parameter of the Pen Width
(PW) command is interpreted (whether metric or relative units).
WU type[;]
or
WU [;]
Since using WU, with or without parameters, defaults all pen widths,
send the WU command before a PW command (which sets a new
pen width).
z No Parameters — Defaults type parameter to 0 (metric) and all
pen widths to 0.35 mm.
Table 22-25
Related Commands Group
LA, Line Attributes The Line and Fill Attributes Group
LT, Line Type
Table 22-26 POSSIBLE ERROR CONDITIONS:
Condition Printer Response
sum of gap parameters equals zero ignores command
a gap is negative ignores command
index = 0 or|index| > 8 ignores command
Parameter Format Functional Range Default
type clamped integer 0 to 1 0 (metric)