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US 6,272,302 B1Granted
Image forming apparatus with developer collecting roller
AssigneeCanon Kabushiki Kaisha
InventorTakeshi Yamamoto
Life of this patent
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Abstract
The present invention relates to an image forming apparatus in which a developing device has a developer bearing member for bearing and carrying a developer thereon, which is provided in opposed relationship with an image bearing member; and developer collecting means provided in opposed relationship with the developer bearing member and the image bearing member, and the developer collecting means collects any unused developer on the developer bearing member and any untransferred developer on the image bearing member.
Claims19
An image forming apparatus comprising:
- an image bearing member bearing a latent image thereon;
- a developing device for developing the latent image borne on said image bearing member with a developer, said developing device having:
- a developer bearing member for bearing and carrying the developer thereon, said developer bearing member being provided in opposed relationship with said image bearing member;
- and
- developer collecting means provided in opposed relationship with said developer bearing member and said image bearing member;
- and
- transfer means for transferring a developer image obtained by developing the latent image by said developing device to a transfer material;
- wherein said developer collecting means collects any unused developer in development on said developer bearing member and any untransferred developer on said image bearing member.
5 more elements
Dependencies are inferred from the claim text.