HP PCL/PJL reference (PCL 5 Printer Language) - Technical Reference Manual Part I

EN Character Code Command 11-49
Character Code Command
The Character Code command establishes the decimal code that is
associated with the next character downloaded. This value is used to
reference the character for printing.
E
C
* c # E
# =character code
Default = 0
Range = 0 - 65535
Notes For unbound fonts, the character code for a given character equals its
symbol index value.
For TrueType fonts, a special code must be used to download glyphs
which never stand alone as characters. FFFF (hex) should be used
for this purpose.
Example
To designate the character code for an ASCII lower-case ā€œpā€, send:
E
C
*c112E