Developing apparatus in which the developer cartridge or the ton

Details Developing apparatus in which the developer cartridge or the ton Developing apparatus in which the developer cartridge or the ton

1994-07-13

1996-05-14

Ramirez, Nestor R.

Photocopying

Contact printing

Light boxes

355260, G03G 1506

Patent

active

055172857

ABSTRACT:
According to an image forming apparatus of the present invention, a developer filling opening is formed in an end of a casing which is provided with a developer-filled section, a holder section is arranged round the developer filling opening to hold a developer cartridge, guides are arranged adjacent to the developer cartridge holder section to guide the developer cartridge to the developer cartridge holder section when it is inserted into a developing unit from one side thereof, and the developer cartridge is attached to the developer cartridge holder section, when the developer-filled section with developer D in the developer cartridge, said developer consisting of toner T and carrier C mixed at a predetermined rate. The filling of developer or toner can be therefore more easily and quickly achieved without detaching the developing unit from the image forming apparatus. In addition, the developer and toner cartridges can be more easily and quickly attached to the developing unit from one side thereof when viewed in the horizontal direction.

REFERENCES:
patent: 4561759 (1985-12-01), Knott
patent: 4601259 (1986-07-01), Yamashita
patent: 4742370 (1988-05-01), Murakami et al.
patent: 4899690 (1990-02-01), Hacknauer et al.
patent: 5017966 (1991-05-01), Suga
patent: 5084734 (1992-01-01), Yoshino et al.
patent: 5270785 (1993-12-01), Kita et al.
patent: 5434656 (1995-07-01), Nagaoka et al.

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