Patent ID: 9588480
Date: 2017-03-07
CPC Classifications: G03G

Claim:
1. An image forming apparatus configured to form an image on a first photoconductive drum and a second photoconductive drum, the first photoconductive drum and the second photoconductive drum being arranged in a first direction, the image forming apparatus comprising: a main body; a belt unit configured to accommodate a belt, a belt cleaning member and an accommodating unit, the belt cleaning member being configured to remove waste toner adhered on the belt, the accommodating unit being configured to accommodate the waste toner removed by the belt cleaning member; and a drum unit configured to be movable between an inside position which is inside the main body and an outside position which is outside the main body, the drum unit comprising: wherein: the drum unit has a first shutter configured to enable and disable communication between the drum-side conveying tube and the casing-side conveying unit by being movable between an opened position at which the third hole is opened and a closed position at which the third hole is closed, and