The tandem die color picture formation device and the color picture formation mannered null exposure to light body which

摘要

PROBLEM TO BE SOLVED: To provide a tandem-type color image forming apparatus where in the vibration amplification of a cleaning blade due to resonance, that is intrinsic to the tandem type color image forming apparatus that uses a plurality of the same-shaped photoreceptors, is effectively suppressed, consequently the image defects due to cleaning defects are reduced, and to provide a color image forming method that uses the tandem-type color forming apparatus.;SOLUTION: The tandem-type image forming apparatus forms an image by using a plurality of image forming units, with each including a photoreceptor, a developing means for forming a toner image on the photoreceptor, and a cleaning means for cleaning the photoreceptor, after the formed toner image has been transferred, wherein the length of the base tube of at least any of one of photoreceptors from among the plurality of photoreceptors is different from that of other photoreceptors.;COPYRIGHT: (C)2008,JPO&INPIT