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5-20 Functional Information
Page Protect
Page complexity (rules, complex graphics, or dense text) may exceed
the printer’s ability to create the page image fast enough to keep pace
with the image formation process. If Page Protect is disabled, and a
page is too complex, it may print in parts (for example, the top half on
one page and the bottom half on the next page). Some print data loss
is likely in these instances, and the printer will display the
21 PAGE
TOO COMPLEX
error message, alternating with
PRESS GO TO
CONTINUE
.
Page Protect allows the Formatter to create the entire page image in
page buffer memory before physically moving the paper through the
printer. This process ensures that the entire page will be printed.
Page Protect applies only to PCL printing. The default setting is Auto.
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:
●
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 it allows the
Control Panel settings to be changed 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 more than
one I/O simultaneously, until the I/O buffer is full. This can occur
even when the printer is offline.
●
Context-sensitive switching allows the printer to automatically
recognize the personalities (PS or PCL) of each job and configure
itself to serve that personality.
●
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.