Cleaning apparatus for a charge retentive surface

Details Cleaning apparatus for a charge retentive surface Cleaning apparatus for a charge retentive surface

1983-07-25

1985-01-22

Grimley, A. T.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

1525651, G03G 2100

Patent

active

044948638

ABSTRACT:
Toner removal device for removing residual toner and debris from a charge retentive surface after transfer of toner images from the surface. This device is characterized by the use of a pair of detoning rolls, one for removing toner from a biased cleaner brush and the other for removing debris such as paper fibers and Kaolin from the brush. The rolls are electrically biased so that one of them attracts toner from the brush while the other one attracts debris. Thus, the toner can be reused without degradation of copy quality while the debris can be discarded.

REFERENCES:
patent: 3572923 (1971-03-01), Fisher et al.
patent: 3722018 (1973-03-01), Fisher
patent: 4054381 (1977-10-01), Bernhard
patent: 4116555 (1978-09-01), Young et al.
patent: 4265990 (1981-05-01), Stolka et al.

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