Electrophotography – Image formation – Development
Patent
1998-04-07
2000-03-21
Moses, Richard
Electrophotography
Image formation
Development
399260, 399283, 399284, 399285, G03G 1508
Patent
active
060412089
ABSTRACT:
A method for separately retrieving used developing material on a developing roller and supplying new developing material, while balancing the retrieval of the used developing material with the supply of the new developing material in accordance with an increase in the number of papers being printed. The method is directed to retrieving and supplying developing material in an electrophotography forming apparatus which includes a developing roller, a retrieval roller and a supply roller. The method includes the steps of: rotating the retrieval roller connected to the developing roller in the same direction as the direction of rotation of the developing roller; and applying voltages to the developing roller, the retrieval roller and the supply roller in accordance with a predetermined relationship.
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Bushnell Esq. Robert E.
Moses Richard
Samsung Electronics Co,. Ltd.
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