Understanding PCL Printer Command Syntax

Before using printer commands, compare these characters:

Lowercase l:

l

Uppercase O:

O

Number one:

1

Number 0:

0

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 printer commands.

Figure D-1 displays the elements of a typical printer command (in this instance, a command for page orientation).

Escape character

Value field (contains both

(begins escape sequence)

alpha and numeric characters)

 

 

 

 

 

 

 

 

 

 

 

 

Uppercase letter

Category of command (terminates escape sequence)

Figure D-1 Printer Command Elements

D-2 Printer Commands

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HP 4000N, 4000TN manual Understanding PCL Printer Command Syntax, Printer Commands, Value field contains both