Digital Front End (DFE) Description
When a customer prints, the motherboard and printer interface board process image data. e printer interface
board is a custom board that allows the EX Print Server to communicate with the printer. e CPU controls the
transfer of image data to and from the motherboard and runs the PostScript interpreter. Dual in-line memory
modules (DIMMs) hold image data during printing
e interpreter rasterizes the page description file and compresses the image pattern into memory using
compression technology. e interpreter outputs the compressed raster data through the image frame buffer
memory to the printer interface board. e raster data is sent to the printer, which then renders the image on paper
at maximum speed.
Figure 1: EX Print Server front panel
Product Security Guide
Digital Front End (DFE) Description
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