Patent ID: 8059985

Claim:
An image forming apparatus comprising: a transfer unit; a cleaning unit; an apparatus main body to which the transfer unit and the cleaning unit are mounted; and a pressing unit provided in the apparatus main body and pressing the cleaning unit against the transfer unit, wherein the transfer unit includes: a plurality of rollers; an image forming section which performs formation of a toner image in accordance with image information and transfer of the toner image; a transfer belt which extends between the plurality of rollers so as to be capable of running in an endless manner, the transfer belt receiving on its front surface or a recording sheet placed on the front surface a toner image which is transferred from the image forming section; and a contact member which comes in contact with a part of the cleaning unit at a position apart from the transfer belt to perform positioning of the cleaning unit, and the apparatus main body includes: a positioning portion which is used for positioning the cleaning unit, and the cleaning unit includes: a cleaning mechanism which cleans the front surface side of the transfer belt; a positioning shaft which fits into the positioning portion formed in the apparatus main body of the image forming apparatus, the positioning shaft being rotatable in such a direction that the cleaning unit comes in contact with or separates apart from the transfer unit; and an abutting member which comes in contact with the contact member of the transfer unit.