| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the rotation accuracy of an electrophotographic photoreceptor drum. <P>SOLUTION: The electrophotographic photoreceptor drum has a cartridge recessed portion which is provided substantially coaxially with a cartridge projection fitted into a main body recessed portion provided in an apparatus body, in the top end portion of the cartridge projection, and is configured so that a main body projecting portion provided inside the main body recessed portion intrudes into the cartridge recessed portion, when the process cartridge is attached to the apparatus body. <P>COPYRIGHT: (C)2007,JPO&INPIT |
