HP 2300d Service Manual - Page 101
Formatter system
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Formatter system The formatter system is responsible for the following: q receiving and processing data from the various printer interfaces q monitoring control-panel input and relaying printer status information (through the control panel and the I/O) q developing and coordinating data placement and timing with the print engine q storing font information and macros q communicating with the host computer The formatter receives data from the I/O and converts it into a dot image. The formatter then sends a print signal to the engine controller assembly. The engine controller assembly synchronizes the image-formation system with the paper-feed system, and signals the formatter to send the print-image data. The formatter sends the print-image data (dots) in the form of a video signal and the printing process begins. ENWW Chapter 5 Theory of operation 99