Lexmark FORMS 249X Technical Reference page 134

Example:
Replace ASCII character 173 (inverted exclamation point) with the two-
sixteenth note. There are 9 bytes per entry, and entry 0 of the draft table starts at
x8011.
Downloading the Lookup Table Data
Use the following example to send the lookup table information to the printer:
<x
1B3D
0C00
23
2686
B000
09
09
0000000000
>
134
Section 7: Downloading Characters and Fonts
9 x 173 = 1557 = x615 (the offset into the table)
x615 + x8011 = x8626 (offset + character 0 lookup table address)
The address for the new lookup table entry for ASCII character 173 is
x8626.
- download command prefix
- byte count (low byte first) - x000C,12
- font ID for 249x printers
- start address in Lookup Table (low byte
first) - x8626
- start address of character data (high
byte first) - xB000
- number of stored columns
- number of printed columns - 1 (for last
blank column)
- compression mask