Liquid toner imaging with contact charging

Photocopying – Contact printing – Light boxes

Patent

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Details

355256, G03G 1502

Patent

active

054063566

ABSTRACT:
An electrophotographic device (1) in which a photoconductor drum (3) is charged by a charging roller (5). Insulating liquid (19, 30) is applied at their initial nip. The charging roller both charges and squeegees largely dry the photoconductor member. The liquid (19) may be produced by incomplete cleaning by a cleaning blade (21). Excess liquid is collected at the sides.
This results in reduction in foreign gasses, and reduction in the operating potential between photoconductor drum and charging roller.

REFERENCES:
patent: 3569803 (1971-03-01), Sato et al.
patent: 5017965 (1991-05-01), Hashimoto et al.
patent: 5121164 (1992-06-01), Landa et al.
patent: 5291255 (1994-03-01), Britto et al.
patent: 5300989 (1994-04-01), Shakib

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