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236 Appendix D - Printer commands
EN
Understanding PCL 5e printer command syntax
Before using printer commands, compare these characters:
Many printer commands use the lowercase letter l
(l)
and the
number one
(1)
, or the uppercase letter O
(O)
and the number zero
(0)
. These characters may not appear on your screen as shown here.
You must use the exact character and case specified for PCL 5e
printer commands.
The figure below displays the elements of a typical printer command
(in this instance, a command for page orientation).
Lowercase l:
l
Uppercase O:
O
Number one:
1
Number 0:
0
Escape character
(begins escape sequence)
Value field (contains both
alpha and numeric characters)
Parameterized
character
Termination character
(uppercase)
Group
character