A processing cartridge detachably mounted to an electronic imaging device is provided. The processing cartridge comprises a first housing, and a power receiving component configured to receive a driving force from a driving component of the electronic imaging device. The processing cartridge has a first position and a second position in the imaging device, and the processing cartridge is able to move in a longitudinal direction of the processing cartridge between the first position and the second position. When the processing cartridge is in the first position, the power receiving component disengages with the driving component, and the power receiving component is unable to receive the driving force from the driving component, and when the processing cartridge is in the second position, the power receiving component moves in an opposite direction and the power receiving component is able to receive the driving force from the driving component.