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

23-6 The Character Group EN
The Label (LB) command does not update the Carriage Return point
to the current pen location, but continues labeling from the current
pen location. This feature allows you to issue several label commands
that write one long label and still use a Carriage Return to get to the
beginning of the entire label.
Control Codes
You can effectively use the following control characters in labels. All
other control codes are ignored.
DV Define Variable Text Path
IN Initialize
LO Label Origin
PA Plot Absolute
PE Polyline Encoded
PR Plot Relative
RO Rotate Coordinate System
RT Relative Arc
(Three Point)
1. A PD or PU command with parameters also updates the Carriage Return point.
The CP command with a nonzero lines parameter updates the Carriage Return
point’s vertical location.
Table 23-4 Commands Updating Carriage Return Point to
Current Location
Control Code DecimalCode
Backspace 8
Horizontal tab 9
Line feed 10
Carriage return 13
Shift Out
1
14
Table 23-3 Commands Updating Carriage Return Point to
Current Location (continued)