| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To surely detect the generation of data omission or data change or the like in any place of communication data in a printer connected to a host device or the like for performing printing. <P>SOLUTION: Whether or not a block size 311 showing the size of each block 312 obtained by dividing print data 310 into a plurality of pieces exceeds a predetermined threshold is decided, and when it exceeds the threshold, a print job is abandoned. Alternatively, the threshold as an abnormality data decision reference may be arbitrarily set as an optimal value according to a communication environment or the like. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
