Patent ID: 11880158
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 4:
5. The image forming apparatus according to claim 1,
wherein the drum cartridge comprises:
a first through-hole through which toner passes;
a second through-hole through which waste toner passes;
a toner shutter movable in a second direction intersecting with the first direction between a closing position at which the first through-hole through is closed and an opening position at which the first through-hole through is opened; and
a waste toner shutter movable in the second direction between a closing position at which the second through-hole through is closed and an opening position at which the second through-hole through is opened,

wherein, in the state where the drawer to which the drum cartridge is attached is located at the outer position, the toner shutter and the waste toner shutter are each located at the closing position, and
wherein, in the state where the drawer to which the drum cartridge is attached is located at the inner position and the cover is at the closing position, the toner shutter and the waste toner shutter are each located at the opening position.