Brother  HL-4140CN, Technical Reference Manual

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CHAPTER 3 PCL5C - 16
6. HP-GL/2
A few HP-GL/2 commands are added for the HL-2400C/Ce, HL-3400CN, HL-2600CN, HL-3450CN, HL-
2700CN, HL-
4040CN/4050CDN/4070CDW/3070CW/3075CW/4140CN/4150CDN/4570CDW/3170CDW/L8250CDN/L835
0CDW/L9200CDW/L9300CDW color laser printer, and the features of some existing commands are also
expanded.
The new or revised HP-GL/2 commands as follows are described in this chapter;
 Initialize Set Instruction (IN) - resets all programmable functions to their default settings
 Pen Color (PC) - changes the palette colors
 Number of Pens (NP) - changes the palette size
 Color Range (CR) - sets the range for specifying relative color data
For the basic commands of HP-GL/2, refer to 'Chapter 8 HP-GL/2 Graphics Language'.
6.1. IN (Initialize Set Instruction) Command
Command
IN [;]
This command returns the graphics mode to initial conditions. It initializes the parameters listed on Page.9 of
'Chapter 8 HP-GL/2' and also those shown below.
Function Equivalent
Instruction
Condition
Number of Pens NP 8
Color Range CR Black reference (red, green, blue) ----> 0
White reference (red, green, blue) ----> 255
This command also initializes the parameters of the palette as follows;
Palette No.(Pen No.) Color
0 White
1 Black
2 Red
3 Green
4 Yellow
5 Blue
6 Magenta
7 Cyan
6.2. PC (Pen Color) Command
Command
PC [pen, red, green, blue]
PC [pen;]
PC [;]
This command changes the pen colors in the palette and sets the colors of all pens to their default settings.
 pen: represents the palette number specified by this command. It ignores the command if it is out of
the range of the specified parameter.

red, green, blue: specifies the color. The range of the specified value is determined by the CR command.
Default range is 0 ~ 255.
 PC [;]: initializes all palettes.