Systems and methods for current density monitor and control...

Details Systems and methods for current density monitor and control... Systems and methods for current density monitor and control...

2005-11-08

2005-11-08

Ngo, Hoang (Department: 2852)

Electrophotography

Control of electrophotography process

Control of transfer

C399S081000, C399S389000

Reexamination Certificate

active

06963702

ABSTRACT:
Current density to copy substrates of varying widths if monitored and controlled in the electrostatic transfer unit of an electrostatic reproduction device. Current density through a copy substrate is appropriately adjusted to compensate for the presence of end leakage current effect to a receptor. Voltage supplied to a current generation unit in an electrostatic transfer unit is controlled independent of the characteristic properties of the copy substrate. Image reproduction quality is maintained in an electrostatic reproduction device even as the width of the copy substrate changes and in the presence of end leakage current effect.

REFERENCES:
patent: 5953556 (1999-09-01), Yamanaka
patent: 6456804 (2002-09-01), Izawa et al.

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