AMT Datasouth Fastmark 4000 Series User Manual page 56

Font Downloading Commands
Such commands are only used for soft fonts with PCL format.
Command
ESC*c###D
ESC)s###W
ESC*c###E
ESC(s###W
Description
assign the soft fonts ID number (### : 100 ~ 999)
download font descriptor (### : length of font descriptor)
set character code (### : 1 ~ 255)
download character descriptor and image
(### : length of character descriptor and image)
User's Guide 55