| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent unauthorized use of a printer by recording the print image of the printer in the printer. <P>SOLUTION: The printer comprises a print image forming section consisting of a print data input means, a print data analyzing section, a function for separating into writing information in units of page, a main writing information memory, a writing unit, an image memory, and a function of printing one page, and a section consisting of a function for printing an image in units of page, a nonvolatile image memory, a unit for authenticating the user of the printer, a unit of replacing consumables, a unit for recording the print image while compressing, a unit for encrypting the print image, and a unit for encrypting through the use of user information. <P>COPYRIGHT: (C)2004,JPO |
