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US 8,010,021 B2Granted
Developing cartridge having a plurality of developers with different material properties and image forming apparatus having the same
AssigneeSamsung Electronics Co., Ltd.
InventorJong-hwa Joo
Life of this patent
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Abstract
A developing cartridge includes an image receptor which spreads developer on a printing medium, a developer storing part which stores a plurality of developers having a different material property and a different supplying order according to the concerned material property, and a developer feeding unit which sequentially transfers each of the developers to the image receptor according to the supplying order.
Claims29
A developing cartridge comprising:
- a casing to contain a plurality of developers having different material properties each having a glass transition temperature and a different supplying order according to the different material properties, and having a plurality of storages to contain corresponding ones of the plurality of developers,
- wherein at least one developer of the developers having a higher glass transition is transferred in a prior order.
An image forming apparatus, comprising:
- a main body casing;
- a paper feeding part which is provided in the main body casing and feeds a printing medium;
- a developing cartridge which is detachably provided in the main body casing and includes a casing to contain a plurality of developers having different material properties each having a glass transition temperature and a different supplying order according to the different material properties, and a plurality of storages to contain corresponding ones of the plurality of developers, so that at least one of the plurality of developers is spread on the printing medium supplied from the paper feeding part;
- and
- a transfer part which is provided on one side of the developing cartridge and transfers the developer to the printing medium,
- wherein at least one developer of the developers having a higher glass transition is transferred in a prior order.
3 more elements
Dependencies are inferred from the claim text.