Image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorHajime Sugaya
Life of this patent
Estimating the term…
Abstract
An image forming apparatus, which has a plurality of image forming units, comprises a plurality of cartridges adapted to supply developer; a plurality of supply members adapted to supply developer to the image forming units from a plurality of the cartridges; a drive unit adapted to drive a plurality of the supply members; and a control unit adapted to supply developer from a plurality of the cartridges by selectively operating a plurality of the supply members based on the amount of developer accommodated in the cartridges.
Claims13
An image forming apparatus, which has a plurality of image forming units, comprising:
- a plurality of cartridges adapted to supply developer;
- a plurality of supply members adapted to supply developer to the image forming units from a plurality of the cartridges;
- a drive unit adapted to drive a plurality of the supply members;
- and
- a control unit adapted to supply developer from a plurality of the cartridges by selectively operating a plurality of the supply members based on the amount of developer accommodated in the cartridges.
An image forming apparatus, which has a plurality of image forming units that have developing units accommodating developer, comprising:
- a plurality of cartridges adapted to supply developer;
- a plurality of supply members adapted to supply developer to the developing units from a plurality of the cartridges;
- a drive unit adapted to drive a plurality of the supply members;
- and
- a control unit adapted to supply developer from a plurality of the cartridges by selectively operating a plurality of the supply members based on the amount of developer in the developing units.
An image forming apparatus, which has a plurality of image forming units accommodating developer, comprising:
- a plurality of cartridges adapted to supply developer;
- a plurality of supply members adapted to supply developer to the image forming units from a plurality of the cartridges;
- a single drive unit adapted to drive a plurality of the supply members;
- and
- a control unit adapted to supply developer from a plurality of the cartridges by selectively operating a plurality of the supply members based on the amount of developer in the image forming units and the amount of remaining developer in the cartridges.
Dependencies are inferred from the claim text.