| 摘要 |
PURPOSE:To take a color copy accurately by an extremely compact device by fitting and supporting plural developing devices in fitting spaces formed around the shaft of a rotatable support member at equal intervals. CONSTITUTION:Three partition walls are arranged radially at an angle of 120 deg. and an external wall 7 is provided to their outside parts to form three spaces, in which the developing devices 2, 3, and 4 of three colors are fitted; and a developing cylinder 9 and a roll 10 are stored in the housing 8 of each developing device and a nonmagnetic single-component developer is held by a toner holding member 11 and a toner forming member 12. Thus, the developing devices are fitted in the housings 8 without shifting and held securely at specific positions which are adjusted once; and the structure is simple and compact and a developing device is easily replaced as a throwaway device. |
