Title:
IMAGE FORMING DEVICE
Document Type and Number:
Japanese Patent JPH05197255
Kind Code:
A
Abstract:
PURPOSE: To prevent toner used in a developing device arranged on an upstream side from being included in the developing device arranged on a downstream side as much as possible, as to an image forming device provided with plural developing devices.
CONSTITUTION: The 1st developing device 12 is arranged on the upstream side of a photosensitive drum 11, and also, the 2nd developing device 13 is arranged on the downstream side of the drum 11 respectively. The opening width L1 of the 1st developing device 12 is made larger than the opening width L2 of the 2nd developing device 13. Thus, Areas 32 and 33 near the opening part and where toner particles are sticking are prevented from being fetched in the 2nd developing device 13.
Inventors:
SUGITA YASUMI
MATSUI MICHINORI
KUROUSU YOSHIO
KAJIURA TSUNEYA
OZAKI YOSHIFUMI
MATSUI MICHINORI
KUROUSU YOSHIO
KAJIURA TSUNEYA
OZAKI YOSHIFUMI
Application Number:
JP879092A
Publication Date:
August 06, 1993
Filing Date:
January 22, 1992
Export Citation:
Assignee:
FUJI XEROX CO LTD
International Classes:
G03G15/01; G03G15/08; (IPC1-7): G03G15/01; G03G15/08
Attorney, Agent or Firm:
Umeo Yamauchi