CPU
The formatter incorporates an 800 MHz processor.
Memory
The random access memory (RAM) on the formatter printed circuit assembly (PCA) contains the page,
I/O buffers, and the font storage area. It stores printing and font information received from the host
system, and can also serve to temporarily store a full page of print-image data before the data is sent to
the print engine.
NOTE: If the product encounters a problem when managing available memory, a clearable warning
message appears on the control panel display.
Firmware
The firmware is contained on the formatter. A remote firmware upgrade process is used to overwrite
and upgrade the firmware on the formatter.
Nonvolatile memory
The product uses nonvolatile random access memory (NVRAM) to store device and user configuration
settings. The contents of NVRAM are retained when the product is turned off or disconnected.
PJL overview
The printer job language (PJL) is an integral part of configuration, in addition to the standard printer
command language (PCL). With standard cabling, the product can use PJL to perform a variety of
functions.
●
Two-way communication with the host computer through a network connection or a USB
connection. The product can inform the host about the control panel settings which can be
changed from the host.
●
Dynamic I/O switching. The product uses this switching to be configured with a host on each I/O.
The product can receive data from more than one I/O simultaneously, until the I/O buffer is full.
This can occur even when the product is offline.
●
Context-sensitive switching. The product can automatically recognize the personality (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 product in landscape mode, the subsequent print jobs print in landscape mode only if
they are formatted for landscape printing.
PML
The printer management language (PML) allows remote configuration and status read-back through the
I/O ports.
ENWW
Formatter-control system
5
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