Magnetic bead carryout reduction by altering the developer's bia

Details Magnetic bead carryout reduction by altering the developer's bia Magnetic bead carryout reduction by altering the developer's bia

1974-12-06

1976-09-28

Hix, L. T.

Photocopying

Including fiber optics

118637, 355 14, G03G 1509

Patent

active

039828301

ABSTRACT:
A magnetic brush developer wherein the bias voltage applied to the brush roll is altered, i.e., reduced, during the transit therepast of the photoconductor drum's seal, thereby reducing the number of magnetic carrier beads which are carried out of the developer on the surface and edges of the drum seal.

REFERENCES:
patent: 3554161 (1971-01-01), Blanchette
patent: 3588242 (1971-06-01), Berlier et al.
patent: 3647293 (1972-03-01), Queener
patent: 3706489 (1972-12-01), Moxness et al.
patent: 3728016 (1973-04-01), Harbour et al.
patent: 3799113 (1974-03-01), Whited
patent: 3850662 (1974-11-01), Jahn

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