HP PCL/PJL reference - PCL 5 Comparison Guide

ENWW Printer-Specific Differences 2-67
Table 2-9. Bitmap Resolution Data Segment
The decimal equivalent for the ‘BR’ mnemonic is 16978.
X Resolution (unsigned long integer)
This fields specifies the resolution of the font in the X dimension in
dots per inch.
Y Resolution (unsigned long integer)
This fields specifies the resolution of the font in the Y dimension in
dots per inch.
If the specified combination is not supported by the printer, the font
will be invalidated. In the HP LaserJet 4V, supported combinations
are (X Resolution=300,Y Resolution=300) and (X Resolution=600,Y
Resolution=600).
Character Definition
The Character Descriptor and Data command ( ?( s # W [character
descriptor and data] ) is used to download character data blocks to
the printer. Format 4 is used to download character descriptors and
data for bitmap characters. This command is described in detail in the
PCL 5 Printer Language Technical Reference Manual.
Byte 15 (MSB) 8 7 (LSB) 0
x + 0 Segment Identifier ('BR')
x + 2
x + 4
Segment Size (4)
x + 6 X Resolution
x + 8 Y Resolution