A colour image forming apparatus with installable process cartridges

摘要

An image forming apparatus (1) includes a frame, a plurality of process cartridges (40y,40c,40m,40bk), and a guide (42) mounted to the frame. The guide (42) mounted to the frame includes a plurality of guide portions (42y,42c,42m,42bk) having supporting surfaces (43y,43c,43m,43bk) arranged at predetermined different heights and on which the plurality of process cartridges (40y,40c,40m,40bk) are detachably placed, and is configured to guide the plurality of process cartridges (40y,40c,40m,40bk) placed on the supporting surfaces (43y,43c,43m,43bk) along a path between respective first positions and respective second positions.