Photocopying – Contact printing – Light boxes
Patent
1995-03-27
1996-06-25
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
355273, G03G 1500, G03G 1516
Patent
active
055305229
ABSTRACT:
An image forming apparatus includes a movable image bearing member; an image transfer member cooperative with the image bearing member to form a nip where an image is transferred from the image bearing member onto a transfer material, wherein the transfer member is constant-voltage-controlled during image transfer operation; wherein a voltage applied to the transfer member during constant voltage control is determined in accordance with a dimension of the transfer material measured in a direction perpendicular to a movement direction of the image bearing member.
REFERENCES:
patent: 5081501 (1992-01-01), Waki et al.
patent: 5179397 (1993-01-01), Ohzeki et al.
Canon Kabushiki Kaisha
Pendegrass Joan H.
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