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XES COMMAND LANGUAGE MODE
Definition of a printer command
The commands covered in this chapter are classified as escape
sequences.
The escape sequence is a type of printer command that gets its
name from its initial character, the escape character. (This is not
the same as the escape key on your keyboard.) Escape is a non-
printable control code with the hexadecimal ASCII value 1B.
In XES mode, the 4213 recognises the escape character as a
signal to indicate that the letters and numbers making up the rest
of the sequence are not text to be printed, but instructions to be
executed.
Command syntax as expressed in this chapter
The parts of the printer commands, or escape sequences, will be
shown as follows:
E The escape character is represented by this
character.
+D
, The literal, instruction part of the command.
Punctuation marks in commands serve as
delimiters.
H User-entered variables are represented by an
abbreviation.
comment Other user-entered information, such as file names
or Summary Sheet comments, are also represented
in italics.
L Line end (carriage return and line feed).
Note: The command must be entered in upper or lower case
exactly as it is shown. Do not enter spaces between characters
unless specified.
Three types of escape sequences
There are three basic types of escape sequences:
1. Job control commands
2. Simple commands
3. Commands with user-entered variables.
XEROX 4213 LASER PRINTER PROGRAMMER REFERENCE 2-3