Image forming apparatus

Details Image forming apparatus Image forming apparatus

2007-06-07

2009-06-23

Gray, David M (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

C399S119000

Reexamination Certificate

active

07551877

ABSTRACT:
An image forming apparatus is described. The image forming apparatus may include a main body casing, a reference shaft, a photosensitive unit, developing units and a pressing member. The photosensitive unit is detachably attachable to the main body casing along an attachment/detachment direction, holds photosensitive members, and has an engaging portion. The developing unit has a developing agent carrier. The pressing member is configured to linearly move along the attachment/detachment direction between a press position for pressing the developing unit to press the developing agent carrier into contact with the photosensitive member and a press releasing position for releasing this press contact. The pressing member urges the developing unit in a direction in which the engaging portion comes into engagement with the reference shaft in a process of moving from the press releasing position to the press position.

REFERENCES:
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patent: 2006/0083544 (2006-04-01), Okabe
patent: 2007/0077086 (2007-04-01), Takakuwa et al.
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patent: 2004013030 (2004-01-01), None
patent: 2004013030 (2004-01-01), None

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