| 摘要 |
PURPOSE:To connect an electric contact provided to a process cartridge to an image forming device main body securely. CONSTITUTION:In a process cartridge B which can be connected and disconnect to an image forming main body, an electrophotography sensitive body; a charging means to charge the electrophotography sensitive body; a developing means to develop a latent image formed on the electrophotography sensitive body; and a cartridge frame; are provided, and a developing bias contact 121 provided at one end side to the axial line direction of the electrophotography sensitive body is provided at the lowermost position, exposed to the part of the cartridge frame in the vertical direction, while a charging bias contact 120 is provided at the uppermost position. Furthermore, a detecting contact 122 is provided at the uppermost upstream side in the installing direction of the process cartridge B, while an earth contact 119 is provided at the lowermost downstream side.
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