US 2023/0418216 A1 · IMAGE FORMING APPARATUS

Abstract

An image forming apparatus includes an apparatus body including a first positioning portion, a first cartridge including a developer bearing member, and a second positioning portion, the first cartridge being attachable to and detachable from the apparatus body, and a second cartridge including a storage portion configured to accommodate the developer, a first positioned portion, and a second positioned portion. 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 and an orthogonal direction orthogonal to the attachment direction with respect to the apparatus body and the first cartridge is determined by the first positioning portion and the second positioning portion coming into contact with the first positioned portion and the second positioned portion, respectively.

Claims20

Dependent claims

An image forming apparatus comprising:

an apparatus body including a first positioning portion;
a first cartridge including:
a developer bearing member configured to bear a developer;
and
a second positioning portion, the first cartridge being attachable to and detachable from the apparatus body;
and
a second cartridge including:
a storage portion configured to accommodate the developer;
a first positioned portion;
and
a second positioned portion, the second cartridge being attachable to and detachable from the apparatus body in an attachment direction,
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 and an orthogonal direction orthogonal to the attachment direction with respect to the apparatus body and the first cartridge is determined by the first positioning portion and the second positioning portion coming into contact with the first positioned portion and the second positioned portion, respectively.

9 more elements

An image forming apparatus comprising:

an apparatus body including a first positioning portion;
a first cartridge including:
a developer bearing member configured to bear a developer;
and
a second positioning portion, the first cartridge being attachable to and detachable from the apparatus body;
and
a second cartridge including:
a storage portion configured to accommodate the developer;
a first positioned portion;
and
a second positioned portion, the second cartridge being attachable to and detachable from the apparatus body in an attachment direction,
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 on a virtual plane orthogonal to the attachment direction with respect to the apparatus body and the first cartridge is determined by the first positioning portion and the second positioning portion coming into contact with the first positioned portion and the second positioned portion, respectively.

9 more elements

Dependencies are inferred from the claim text.

Image forming apparatus

Life of this patent

Image forming apparatus

Life of this patent

Abstract

Claims20