Patent ID: 11860567
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. The process cartridge according to claim 7,
wherein the drum cartridge comprises:
a first drum side plate configured to support a first end portion of the photosensitive drum in the axis direction;
a second drum side plate located distant from the first drum side plate in the axis direction and configured to support a second end portion of the photosensitive drum in the axis direction; and
a pipe located between the first drum side plate and the second drum side plate in the axis direction and extending in the axis direction, a first end portion of the pipe in the axis direction connecting to the first drum side plate, a second end portion of the pipe in the axis direction connecting to the second drum side plate, and

wherein the conveyor device is configured to convey transfer residual toner from the drum cleaner to the pipe, the pipe having the transfer residual toner discharge hole on a circumference surface of the pipe.