Image forming apparatus having a ventilated contact charging uni

Details Image forming apparatus having a ventilated contact charging uni Image forming apparatus having a ventilated contact charging uni

1990-03-23

1992-01-14

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355219, G03G 2100

Patent

active

050814966

ABSTRACT:
An image forming apparatus includes a charging unit for charging an image carrying member contacting the image carrying member as the charging unit for charging the image carrying member. By generating an airflow along the longer direction of a contact portion between the charging unit and the image carrying member, discharge products generated in the neighborhood of the contact portion are removed. It is thereby possible to prevent image degradation and the like caused by accumulation of the discharge products.

REFERENCES:
patent: 4540268 (1985-09-01), Toyono et al.
patent: 4727453 (1988-02-01), Ewing
patent: 4851960 (1989-07-01), Nakamura et al.

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