HP PCL 5 Comparison Manual page 100

Table 2-10. Format 15 and Format 16 Font Header
Byte 15 (MSB)
0 Font Descriptor Size (minimum 72)
2 Header Format (15 or 16)
4 Style MSB
6 Baseline Position
8 Cell Width
10 Cell Height
12 Orientation
14 Symbol Set
16 Pitch (default HMI)
18 Height
20 x-Height
22 Width Type
24 Stroke Weight
26 Typeface MSB
28 Quality
30 Underline Position (Distance)
32 Text Height
34 Text Width
36 First Code
38 Last Code/Number of Characters
40 Pitch Extended
42 Cap Height
44 - 47 Font Number
48 - 63 Font Name
64 Scale Factor
66 Master Underline Position
68 Master Underline Thickness
70 Font Scaling Technology
72 [additional data may be inserted here]
. . .
Desc. Segmented Font Data
Size
. . . . . .
# - 2 Reserved (0)
2-64 Printer-Specific Differences
8 7
Font Type
Reserved
Spacing
Style LSB
Typeface LSB
Serif Style
Placement
Underline Thickness
Height Extended
Variety
Checksum
(LSB) 0