Process cartridge and refilling method therefor

Details Process cartridge and refilling method therefor Process cartridge and refilling method therefor

1996-08-26

1998-11-17

Grimley, Arthur T.

Electrophotography

Having particular structure

Remanufacturing

141 18, G03G 1500

Patent

active

058390286

ABSTRACT:
A toner refilling method is disclosed for a process cartridge detachably mountable to a main assembly of an image forming apparatus. The process cartridge includes an electrophotographic photosensitive member, a device for developing a latent image formed on the electrophotographic photosensitive member, a toner accommodating portion for accommodating toner to be used for development by the developing device, a cleaner for removing the toner remaining on the electrophotographic photosensitive member, and a removed toner accommodating portion for accommodating the toner removed from the electrophotographic photosensitive member by the cleaner. The method includes digging a hole in the removed toner accommodating portion; discharging the toner accommodated in the removed toner accommodating portion through the hole dug in the removed toner accommodating portion by the first digging step; sealing the hole of the removed toner accommodating portion, after the discharging of the toner; digging a hole bridging over a separation member provided in the toner accommodating portion, to partition an inside of the toner accommodating portion; refilling toner into a first chamber and a second chamber formed by the separation member, through the hole dug in the toner accommodating portion by the second digging step; and sealing the hole dug by the second digging step, after the toner is refilled.

REFERENCES:
patent: 4816877 (1989-03-01), Keen
patent: 4862210 (1989-08-01), Woolley
patent: 4930684 (1990-06-01), Patterson
patent: 5080745 (1992-01-01), Paull
patent: 5110646 (1992-05-01), Prestel et al.
patent: 5184182 (1993-02-01), Michlin
patent: 5223068 (1993-06-01), Baley
patent: 5261326 (1993-11-01), Michlin
patent: 5267003 (1993-11-01), Grappiolo
patent: 5296902 (1994-03-01), Michlin
patent: 5460674 (1995-10-01), Chitouras

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