Patent ID: 9063512
Filing Date: 2015-06-23
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a main assembly; a belt unit, including a belt member and a plurality of supporting rollers for supporting said belt member, detachably mountable to said main assembly with respect to a direction crossing a rotational axis direction of said supporting rollers; a plurality of image forming portions, provided below said belt unit along said belt member, for forming toner images on said belt member; a plurality of toner cartridges, provided above said belt unit, for supplying toners to said plurality of image forming portions, respectively; a side plate provided in said main assembly; and an integrated member provided on said side plate and including a guiding member having a guiding portion for guiding said belt unit and a plurality of toner supply passages for permitting communication of said image forming portions with said toner cartridges associated with said image forming portions, respectively, wherein said guiding member and said toner supply passages are integrally constituted so that said toner supply passages penetrate said guiding member.