Transfer unit for xerographic printing machine with constant ven

Details Transfer unit for xerographic printing machine with constant ven Transfer unit for xerographic printing machine with constant ven

1991-11-12

1993-01-12

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355274, G03G 1516, G03G 2100

Patent

active

051794128

ABSTRACT:
A transfer unit for a xerographic printing machine including at least two rollers and an endless belt supported by the rollers. A frame member supports the rollers. A photoreceptor is disposed adjacent to the endless belt, and a charging means is disposed opposite to the photoreceptor so that the endless belt is locate between the charging means and the photoreceptor. Pressure in the space within the transfer unit, which is surrounded by the endless belt and the frame member and contains the endless belt charging means disposed therein, is slightly higher than atmosphere pressure outside the transfer unit.

REFERENCES:
patent: 5005051 (1991-04-01), Haruki et al.

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