![](/images/backgrounds/286767/hp-laserjet-5100dtn-users-manual-549103166x1.png)
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
Escape character | Value field (contains both | ||||||||
(begins escape sequence) | alpha and numeric characters) | ||||||||
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Parameterized | Group | Termination character |
character | character | (uppercase) |
Figure
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