EN
Formatter System
5-21
PJL Overview
Printer Job Language (PJL) is an integral part of configuration, in
addition to the standard Printer Command Language (PCL). With
standard cabling, PJL allows the printer to perform functions such as:
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Two-way communication with the host computer through a
Bidirectional Parallel connection. The printer can tell the host
such things as the Control Panel settings, and allows the Control
Panel settings to be changed from the host.
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Dynamic I/O switching allows the printer to be configured with a
host on each I/O. The printer can receive data from more than
one I/O simultaneously, until the I/O buffer is full. This can occur
even when the printer is offline.
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Context-sensitive switching allows the printer to automatically
recognize the personalities (PostScript or PCL) of each job and
configure itself to serve that personality.
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Isolation of print environment settings from one print job to the
next. For example, 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.
PML
PML is a printer Management Language that allows remote
configuration and status readback through the I/O Ports.
Control Panel
The Formatter PCA sends and receives printer status and command
data via a Control Panel PCA. See “Using the Control Panel” on page
3-2, and to “Printer Messages” on page 7-17 for more information.
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