Patent ID: 8849155
Filing Date: 2014-09-30
Classification: G03G

Abstract:
1. An image forming device comprising: a photosensitive unit including a photosensitive body; a developer cartridge accommodating developer therein and having a supported portion supported by the photosensitive unit; a developing device disposed between the photosensitive unit and the developer cartridge and supported by the photosensitive unit and pivotally movable about the supported portion, the developing device including a developer carrying member carrying the developer thereon, the developer carrying member being movable, in accordance with pivotal movement of the developing device, between a contact position at which the developer carrying member is in contact with the photosensitive body and a separate position at which the developer carrying member is separated from the photosensitive body; and a reading unit configured to read a test pattern, wherein the photosensitive body comprises a plurality of photosensitive members juxtaposedly arrayed, the developer cartridge and the developing device being provided in one to one correspondence with the photosensitive member, wherein the photosensitive unit and the developing device constitute an image forming unit, wherein the image forming device further comprises: wherein each developer cartridge is provided with a blocking member movable between a blocking position at which the laser beam directed toward each photosensitive member is shut-off and a transmitting position at which the laser beam is allowed to reach each photosensitive member, and wherein the image forming device further comprises: