摘要 |
<P>PROBLEM TO BE SOLVED: To provide a color picture data transmitting/receiving method and its printer and a printer driver capable of improving the performance of an output device such as a printer. <P>SOLUTION: In a method for transmitting/receiving print data from a host 1 through a USB to a printer 2, a plurality of end points are used, and each end point is assigned to each color of the print data, and the print data are transmitted/received for each color. Also, the printer 2 is provided with a DMA 10 for the USB for each end point. <P>COPYRIGHT: (C)2003,JPO |