US 12,130,576 B2
Image forming apparatus and toner cartridge
Shougo Sato, Seto (JP); and Yasuo Fukamachi, Nagoya (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Jun. 29, 2023, as Appl. No. 18/344,272.
Application 18/344,272 is a continuation of application No. 17/472,763, filed on Sep. 13, 2021, granted, now 11,733,639.
Application 17/472,763 is a continuation of application No. 16/421,445, filed on May 23, 2019, granted, now 11,119,438, issued on Sep. 14, 2021.
Claims priority of application No. 2018-099444 (JP), filed on May 24, 2018.
Prior Publication US 2024/0069483 A1, Feb. 29, 2024
Int. Cl. G03G 21/12 (2006.01); G03G 15/08 (2006.01); G03G 21/10 (2006.01)
CPC G03G 21/105 (2013.01) [G03G 15/0886 (2013.01); G03G 21/12 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A process cartridge comprising:
a drum cartridge including:
a photosensitive drum;
a cleaner configured to remove waste toner from the photosensitive drum;
a developing device including a developing roller and a toner receiving port;
a waste toner conveying pipe configured to convey the waste toner removed from the photosensitive drum by the cleaner, the waste toner conveying pipe having a waste toner discharge port through which the waste toner is to be discharged; and
a frame supporting the photosensitive drum, the cleaner and the developing device; and
a toner cartridge attachable to and detachable from the drum cartridge, the toner cartridge including:
a toner container capable of accommodating therein the toner to be supplied to the developing roller;
a waste toner container capable of accommodating therein the waste toner; and
a housing having a cylindrical part, the cylindrical part including a toner discharge port and a waste toner receiving port, the toner discharge port configured to discharge the toner from the toner container to the developing device through the toner receiving port, and the waste toner receiving port configured to receive the waste toner from the waste toner conveying pipe through the waste toner discharge port.