Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 1, 2008
Patent Application Number
11179524
Date Filed
July 13, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
An improved image forming apparatus comprises a first developing unit comprising a photosensitive body. Also provided is a second developing unit including a developing roller which is moveably installed so that the developing roller selectively contacts the photosensitive body. A pressing member selectively presses the second developing unit. The developing roller contacts the photosensitive body during a developing process and separates from the photosensitive body after the developing process is finished.
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