Patent classifications
G
PHYSICS
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G03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
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G03G
ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
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2215/00
Apparatus for electrophotographic processes
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G03G2215/01
for producing multicoloured copies
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G03G2215/0167
single electrographic recording member
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G03G2215/0174
plural rotations of recording member to produce multicoloured copy
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G03G2215/0183
Reciprocal movement of transfer member across transfer point
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G03G2215/0183

Image forming apparatus, discrimination system and unit discrimination method of image forming apparatus
10747159 · 2020-08-18 · ·

An image forming apparatus includes an apparatus body and a unit detachably mounted to the apparatus body and comprising a unit body, a cam, a first movement member, and a second movement member. The unit includes a first contact portion, an urging portion, and a second contact portion. The second movement member is attachable to the first movement member in a first manner or a second manner. A detection pattern of a detection signal differs between a state in which the second movement member is in contact with the first contact portion and a state in which the second movement member is in contact with the second contact portion, and differs between a state in which the second movement member is attached in the first manner and a state in which the second movement member is attached in the second manner.

IMAGE FORMING APPARATUS, DISCRIMINATION SYSTEM AND UNIT DISCRIMINATION METHOD OF IMAGE FORMING APPARATUS
20190101856 · 2019-04-04 ·

An image forming apparatus includes an apparatus body and a unit detachably mounted to the apparatus body and comprising a unit body, a cam, a first movement member, and a second movement member. The unit includes a first contact portion, an urging portion, and a second contact portion. The second movement member is attachable to the first movement member in a first manner or a second manner. A detection pattern of a detection signal differs between a state in which the second movement member is in contact with the first contact portion and a state in which the second movement member is in contact with the second contact portion, and differs between a state in which the second movement member is attached in the first manner and a state in which the second movement member is attached in the second manner.