| 摘要 |
<P>PROBLEM TO BE SOLVED: To form image on one face or double faces including a tab part of a paper sheet having a tab. <P>SOLUTION: This image forming device is provided with an information inputting part in which information of tab of the paper sheet having the tab is inputted, a paper feeding part capable of feeding a paper sheet having no tab and the paper sheet having the tab, a tab detection part for detecting a position of tab by a plurality of detection parts before forming image on the paper sheet fed by the paper feeding part, a control part for controlling various operation concerning image formation, and a conveyance driving part for conveying and driving paper sheet by keeping an interval between paper sheets fed and conveyed sequentially by the paper feeding part constant. The control part is constituted in such a way that the conveyance driving part is controlled in such a manner that an interval between a trailing end of the paper sheet in the direction of conveyance and a leading end of next paper in the direction of conveyance based on the result detected by the tab detection part becomes constant. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
