US 12,321,127 B2
Image forming apparatus
Satoshi Koga, Shizuoka (JP); and Naoki Maeda, Shizuoka (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jun. 21, 2023, as Appl. No. 18/212,241.
Claims priority of application No. 2022-102265 (JP), filed on Jun. 24, 2022.
Prior Publication US 2023/0418216 A1, Dec. 28, 2023
Int. Cl. G03G 21/18 (2006.01); G03G 15/08 (2006.01)
CPC G03G 21/1814 (2013.01) [G03G 15/0875 (2013.01); G03G 15/0889 (2013.01); G03G 2215/068 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
an apparatus body including a first positioning portion;
a first cartridge detachably attached to the apparatus body, the first cartridge including:
a developer bearing member configured to bear a developer, and
a second positioning portion; and
a second cartridge detachably attached to the apparatus body independent of the first cartridge and in an attachment direction, the second cartridge including:
a storage portion configured to accommodate the developer;
a first positioned portion; and
a second positioned portion,
wherein the second cartridge is configured to be attached to and detached from the apparatus body in a state where the first cartridge is attached to the apparatus body, and a position of the second cartridge in the attachment direction with respect to the apparatus body and the first cartridge is determined by the first positioned portion and the second positioned portion coming into contact with the first positioning portion of the apparatus body and the second positioning portion of the first cartridge, respectively.