Memory
The random access memory (RAM) on the formatter 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 update process is used to overwrite and
update the firmware on the formatter.
Nonvolatile memory
The product uses nonvolatile random access memory (NVRAM) and Flash memory to store device and
user configuration settings. The contents of NVRAM are retained when the product is turned off or
disconnected. The product uses Flash memory to store system firmware and the SmartInstall package.
Control panel
The formatter sends and receives product status and command data to and from the control-panel PCA.
6 Chapter 1 Theory of operation ENWW
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