IntelliTech Intellibar M48 Reference Manual page 110

For example, to download the character descriptor and data for a portrait, 10 Pitch, 12
point, upright medium, Courier lowercase "y", send:
ESC*c121E (121 is the decimal character code for an ASCII lowercase "y")
ESC(s144W [character descriptor and data]
Table 8-8 lists the character format, continuation, and descriptor data.
Table 8-8 Portrait Character Descriptor Data
Field Name
Format
Continuation
Descriptor Size
Class
Orientation
Reserved
Left offset
Top Offset
Character Width
Character Height
Delta X
Figure 8-7 shows a portrait character data example.
Value
4
0
14
1
0
0
2
22
27
32
120
HP PCL Soft Font Design 8-17
Description
Portrait
30 dots