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

EN Character Descriptor Formats 11-67
Format (UB)
This is the first byte of every character data block header. It specifies
the format for character downloading. The number 15 designates the
TrueType character format.
6 +
Desc
Size
beginning of TrueType Glyph Data
M
Table 11-49 TrueType Character Descriptor (multiple character
data blocks)
Byte 15 (MSB) 8 7 (LSB) 0
0 Format (15) Continuation (1)
2 conclusion of TrueType Glyph Data
M
# – 2 Reserved Checksum
# = Character data block size as defined in Character Definition
command.
Table 11-50
Value Format
4* LaserJet Family (Raster)
10* Intellifont Scalable
15 TrueType Scalable
* These are described elsewhere in this chapter.
Table 11-48 (continued)