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

Claim 1:
2. The process cartridge according to claim 1, wherein the drum cartridge further comprises:
a transfer residual toner shutter movable between a shutter-closed position and a shutter-opened position, the transfer residual tier shutter being configured to:
close the transfer residual toner discharge hole in a case the transfer residual toner shutter is located in the shutter-closed position; and
open the transfer residual toner discharge hole in a case the transfer residual toner shutter is located in the shutter-opened position,

wherein in the state the toner cartridge is located in the second position,
in the case the transfer residual toner shutter is located in the shutter-closed position, the transfer residual toner discharge hole does not communicate with the transfer residual toner receiving hole, and
in the case the transfer residual toner shutter is located in the shutter-opened position, the transfer residual toner discharge hole communicates with the transfer residual toner receiving hole.