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PJL Overview
Printer Job Language (PJL) is an integral part of configuration,
in addition to the standard Printer Command Language. With
standard I/O cabling, PJL allows the printer to perform functions
such as:
• Allowing the printer to talk to the host computer through a
Bi-directional parallel connection. The printer can tell the host
such things as the control panel settings, and allow the control
panel settings to be set from the host.
• Dynamic I/O switching allows the printer to be configured
with a host on each I/O. The printer can receive data from any
I/O simultaneously.
• Context-sensitive switching allows the printer to recognize
automatically the personalities (PostScript or PCL) of each
host and configure itself to serve that personality.
• PJL can act as a spooler to print only sections of a print job as
defined from the software.
• PJL allows any print job to be protected from the effects of the
previous print job. If a print job is sent to the printer in
landscape mode, the subsequent print jobs print in landscape
only if they are formatted for landscape printing.
Functional Overview 5-15