| 摘要 |
PROBLEM TO BE SOLVED: To provide a frictional driving type unit which can be exchanged by a user, which is for an electrostatic photographic printing machine, which can improve printing quality, and whose cost is reduced. SOLUTION: This detachable image forming mudule for the electrostatic photographic printing device is provided with a housing 42, a photoreceptor 2 at least a part of which is arranged inside the housing, and which is cylindrical and rotatable and has an image non-forming area 48, and a frictional driving device 43 which accelerates the rotation of the photoreceptor 2 by frictional contact, and which is brought into contact with the area 48; and a rotating driving gear engaged with the photoreceptor as usual does not exist in the device 43. |
