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Appendix D Printer Commands  157
D
Printer 
Commands
Overview
Most software applications do not require you to enter printer 
commands. See your computer and software documentation to find 
the method for entering printer commands, if needed. 
PCL
PCL printer commands tell the printer which tasks to perform or which 
fonts to use. This appendix provides a quick reference for users who 
are already familiar with PCL command structure.
The PCL 5e printer commands are backward-compatible with 
previous versions of PCL.
The PCL 6 printer commands take full advantage of the printer’s 
features.
HP-GL/2
The printer has the ability to print vector graphics using the HP-GL/2 
graphics language. Printing in the HP-GL/2 language requires that 
the printer leave PCL language and enter HP-GL/2 mode, which can 
be done by sending the proper PCL codes. Some software 
applications switch languages through their drivers.