| 摘要 |
A developing cartridge and an image forming apparatus utilizing the developing cartridge are provided. The developing cartridge includes a frame, a photosensitive drum which is rotatably installed upon the frame, a developing unit for developing an electrostatic latent image formed on the outer surface of the photosensitive drum, and a transfer unit having a brush with fibers for transferring a toner image from the outer surface of the photosensitive drum onto paper, a voltage unit for selectively applying a predetermined positive or negative voltage to the brush, and a rotary unit for enabling the fibers of the brush to engage the outer surface of the photosensitive drum after the developing cartridge is fully installed within the image forming apparatus.
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