| 摘要 |
A printer driver of a host computer sends as image data a command which includes full-color RGB raster data. A printer-control-only circuit formed in the form of a hardware circuit subjects the full-color RGB raster data received from the driver to color conversion, halftoning, and interlacing, thereby converting the RGB raster data into binary CMYK raster data. The printer-control-only circuit generates a printer command including as image data the binary CMYK raster data. The printer performs printing operations on the basis of the binary CMYK raster data included in the printer command from the printer-control-only circuit. Software stored in the printer driver and the printer do not perform any color conversion, halftoning, and interlacing operations.
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