System for cleaning the developer unit in an electronic reprogra

Details System for cleaning the developer unit in an electronic reprogra System for cleaning the developer unit in an electronic reprogra

1991-09-05

1993-09-07

Picard, Leo P.

Photocopying

Contact printing

Light boxes

355251, G03G 1506

Patent

active

052433889

ABSTRACT:
A method and apparatus for cleaning and replenishing the developer unit of an electronic reprographic printing system. The developer units are mounted in a retractable drawer within the machine. A cover is placed over the developer unit, which is provided with an air inlet and an air outlet. A vacuum machine is connected to the air outlet to create a wind flow within the developer unit for cleaning the unit. A tool is provided for turning the auger within the developer unit when it is being cleaned, and to similarly assist in the subsequent recharging of the developer unit with developer.

REFERENCES:
patent: 3697163 (1972-10-01), Jordan
patent: 3815380 (1974-06-01), Esmay
patent: 4522487 (1985-06-01), Misaua
patent: 4845523 (1989-07-01), Miyaji
patent: 4945956 (1990-08-01), Bueyuekgueclue et al.
patent: 5103730 (1992-04-01), Sarda

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