发明名称 COLOR PICTURE DATA TRANSMITTING/RECEIVING METHOD BY USB AND ITS PRINTER AND PRINTER DRIVER
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
申请公布号 JP2003216351(A) 申请公布日期 2003.07.31
申请号 JP20020013044 申请日期 2002.01.22
申请人 SHARP CORP 发明人 KUSUTAKI IZUMI
分类号 B41J5/30;G06F3/12 主分类号 B41J5/30
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