Xerox 4213 - Manual (Page 206)

LJ SERIES 2D EMULATION
Syntax
E &d#D
Hex 1B 26 64 # 44
Dec 27 38 100 # 68
where # = 0 is fixed underline
# = 3 is floating underline.
Disable Underline
Purpose Disable Underline cancels the Underline command.
Syntax
E &d@
Hex 1B 26 64 40
Dec 27 38 100 64
Primary and secondary fonts
The control codes Shift In (SI) with the hexadecimal value 0F,
decimal 15, and Shift Out (SO) with the hexidecimal value 0E,
decimal 14, allow the user to alternate between primary and
secondary fonts, respectively.
Font ID
Purpose The Font ID command assigns an ID number to a font. The font
must then be referenced by its ID through subsequent font
management commands, such as Font Selection, Font Control, or
Font Descriptor.
Syntax
E *c#D
Syntax
where # is an ID number ranging from 0 to 32767.
3-46 XEROX 4213 LASER PRINTER PROGRAMMER REFERENCE