Non-contacting hybrid jumping developer dirt emission baffle sea

Details Non-contacting hybrid jumping developer dirt emission baffle sea Non-contacting hybrid jumping developer dirt emission baffle sea

1998-04-10

1999-11-09

Grimley, Arthur T.

Electrophotography

Internal machine environment

Particle or contaminant control

G03G 1508

Patent

active

059830530

ABSTRACT:
A noncontact seal for a donor roll in an electrophotographic printing machine. The seal is fixed in the developer housing and envelopes each end of the donor roll but does not contact the donor roll. The small space does not allow a positive airflow sufficient to cause toner particles to be emited from the developer housing so as to contaminate the other portions of the printing machine. The seal is made of a low friction material such as DELRIN.RTM. so that toner particles do not stick to the seal and cause a buildup that would be detrimental to the photoreceptive member.

REFERENCES:
patent: 5267007 (1993-11-01), Watanabe et al.

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