# US 2026/0064072 A1 · Image forming apparatus and cartridge > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0064072 A1 - Document ID: US20260064072A1 - Status: Published application - Kind: A1 - Application number: 19/382,429 - Filed: 2025-11-07 - Published: 2026-03-05 - Earliest claimed: 2023-06-20 - Assignees: Canon Kabushiki Kaisha - Applicants: Canon Kabushiki Kaisha - Inventors: KENJI MATSUDA - Web page: https://patentgrep.com/patent/US20260064072A1 ## CPC - G03G 21/12: Toner waste containers - G03G 15/6529: {Transporting (G03G15/6555 takes precedence)} - G03G 21/18: using a processing cartridge {, whereby the process cartridge comprises at least two image processing means in a single unit} - G03G 21/1821: {means for connecting the different parts of the process cartridge, e.g. attachment, positioning of parts with each other, pressure/distance regulation (G03G21/1825 takes precedence)} - G03G: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY ## Abstract A cartridge includes: a second conveyance roller that forms a nip with a first conveyance roller; a storage portion that stores foreign matter; and a contact member that comes into contact with the second conveyance roller for restricting leakage of the foreign matter. An apparatus main body includes a biasing member that biases the second conveyance roller toward the first conveyance roller. The second conveyance roller is at a first position at which the nip is formed with the first conveyance roller by a biasing force of the biasing member when the cartridge is attached to the apparatus main body, and is at a second position when the cartridge is detached from the apparatus main body. The contact member is in contact with the second conveyance roller when the second conveyance roller is at the first position and when the second conveyance roller is at the second position. ## Claims ### Claim at position 1 1-4. (canceled) ### Claim 5 An image forming apparatus for forming an image on a recording material, comprising: an apparatus main body having a first conveyance roller; and a first cartridge that has a first frame, a photosensitive drum, and a second conveyance roller forming a nip with the first conveyance roller for conveying a recording material, the first cartridge configured to be attachable to and detachable from the apparatus main body; a second cartridge that has a second frame including a developer storage portion, a developing roller, a supply roller for supplying developer to the developing roller, and a conveying member for conveying the developer in the developer storage portion to the supply roller by rotation in the developer storage portion, wherein the first cartridge includes: a removal member configured to remove foreign matter from the second conveyance roller by coming into contact with the second conveyance roller; a storage portion configured to store the foreign matter removed by the removal member; and a contact member configured to come into contact with the second conveyance roller at a position different from that of the removal member so as to restrict the foreign matter from leaking from the storage portion, and wherein in a case of being viewed in a direction of a rotational axis of the supply roller, each of the second conveyance roller and the storage portion is arranged between a second virtual line and a third virtual line, a first virtual line being a virtual line passing through a rotation center of the supply roller and a rotation center of the conveying member, the second virtual line being a virtual line perpendicular to the first virtual line and passing through the rotation center of the supply roller, and the third virtual line being a virtual line perpendicular to the first virtual line and passing through the rotation center of the conveying member. ### Claim 6 (depends on 5) The image forming apparatus according to claim 5, wherein the storage portion is defined by the first frame, the second conveyance roller, and the contact member. ### Claim 7 (depends on 5) The image forming apparatus according to claim 5, wherein the second frame includes a first circular arc portion and a second circular arc portion, the first circular arc portion being a portion that extends along an outer periphery of the supply roller, and the second circular arc portion being a portion that extends along a rotation path of the conveying member, the first frame includes a recessed shape portion that corresponds to outer shapes of the first circular arc portion and the second circular arc portion, and the recessed shape portion is a part of the first frame that defines the storage portion. ### Claim 8 (depends on 5) The image forming apparatus according to claim 5, wherein in a case of being viewed in the direction of the rotational axis of the supply roller, among two regions obtained by dividing the storage portion with a fourth virtual line perpendicular to the first virtual line and passing through a rotation center of the second conveyance roller, an area of a first region located on a side closer to the conveying member is smaller than an area of a second region located on a side closer to the supply roller. ### Claim 9 (depends on 5) The image forming apparatus according to claim 5, wherein in a case of being viewed in the direction of the rotational axis of the supply roller, the storage portion is arranged between the first virtual line and a fourth virtual line, the fourth virtual line being a virtual line parallel to the first virtual line and passing through the rotational center of the second conveyance roller.