Brother HL-1050 Technical Reference Manual page 85

<TrueType Scalable Bound font>
Byte 15 (MSB)
0 Font Descriptor Size (>72)
2 Descriptor Format (15)
4 Style MSB
6 Base Line 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 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. size Segmented Font data
# - 2 Reserved
 Attributes are in one of six numerical formats.
Unsigned integer (UI) 0 to 65535
Unsigned long integer (ULI) 0 to 2
Signed integer (SI) –32768 to 32767
Unsigned byte (UB) 0 to 255
Signed byte (SB) –128 to 127
Boolean 0 or 1
 Font descriptor size (UI) - the size in bytes of the font descriptor block. Minimum size values for each font
type are shown in the above figure.
 Descriptor format (UB) - format type of the font.
0 Bitmap font
10 Intellifont bound scalable font
11 Intellifont unbound scalable font
15 TrueType bound scalable font
20 Special bitmap font
 Font type (UB) - specifies type of symbol set.
0 Bound font. A 7-bit font with character codes 20H to 7FH acceptable.
1 Bound font. An 8-bit font with character codes 20H to 7FH and 80H to FFH acceptable.
2 Bound font. 8-bit all character codes are printable. However, 00H, 07H to 0FH and 1BH are
printable only when the data is defined as transparent print data.
8 7
Font Type
Reserved
Spacing
Style LSB
Typeface LSB
Serif Style
Placement
Underline Thickness
Height Extended
Variety
Checksum
32
–1
CHAPTER 2 PCL - 66
(LSB) 0