Image forming apparatus and cartridge
AssigneeBrother Kogyo Kabushiki Kaisha
InventorShougo Sato
Life of this patent
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Abstract
An image forming apparatus includes a main housing, a photosensitive drum, a development housing, a development roller, a container, and a return toner pipe. The development housing is configured to contain toner. The development roller is configured to supply toner in the development housing to the photosensitive drum. The container has an insertion opening configured such that a toner container is inserted therein. The toner container contains toner to be replenished to the development housing. The return toner pipe is configured to allow passage of return toner. The return toner is toner that returns from the photosensitive drum to the development housing.
Claims22
An image forming apparatus comprising:
- a main housing;
- a photosensitive drum;
- a development housing configured to contain toner;
- a development roller configured to supply toner in the development housing to the photosensitive drum;
- a container having an insertion opening configured such that a toner container is inserted therein, the toner container containing toner to be replenished to the development housing;
- a drum cleaner configured to collect toner on a circumferential surface of the photosensitive drum, and
- a return toner pipe configured to allow passage of return toner, the return toner being toner that returns from the photosensitive drum to the development housing, the return toner pipe being configured to return the toner collected by the drum cleaner to the development housing.
A cartridge comprising:
- a photosensitive drum;
- a development housing configured to contain toner;
- a development roller configured to supply toner in the development housing to the photosensitive drum;
- a container having an insertion opening configured such that a toner container is inserted therein, the toner container containing toner to be replenished to the development housing;
- a drum cleaner configured to collect toner on a circumferential surface of the photosensitive drum;
- and
- a return toner pipe configured to allow passage of return toner, the return toner being toner that returns from the photosensitive drum to the development housing, the return toner pipe being configured to return the toner collected by the drum cleaner to the development housing.
Dependencies are inferred from the claim text.