An image forming apparatus includes: has a main body; an image forming portion for forming a toner image on a recording material; a fixing unit for fixing the toner image on the recording material and including a nip forming member which forms a fixing nip that nips and fixes and conveys the recording material; a reverse roller unit for including a reverse roller, and the reverse roller rotates backward to convey the recording material to the image forming portion again after conveying the recording material which has passed through the fixing nip in a same direction as a conveying direction at the fixing nip; and a delivery roller for delivering the recording material which has passed through the fixing nip, out of the main body. The reverse roller unit is attached to the fixing unit, and is removably installable in the main body integrally with the fixing unit and the main body includes a first positioning portion and a second positioning portion, and when an integral unit of the fixing unit and the reverse roller unit is installed in the main body, the fixing unit is positioned with respect to the first positioning portion, and the reverse roller unit is positioned with respect to the second positioning portion.
展开▼
