| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem of guaranteeing low reliability data rather than an error even if there exist fraudulent processing of "1" to "0" and "0" to "1" or a fraudulent bit in printing page data for one page because black dot count of one page of printing page data to be stored in the memory of a page rotation function section and a black dot count of one page of printing page data to be read from the memory of the page rotation function section are compared for memory check. <P>SOLUTION: The memory check system of the page rotation function is provided with a black dot count memory to store a value to be outputted in a page memory black dot counter 9 and a black dot count computation section 15 to aggregate a black dot count in a unit to be rotated on the basis of a value stored in a black dot count memory 14. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
