Electrophotography – Having particular structure – Modular or displaceable
Reexamination Certificate
2011-06-07
2011-06-07
Gray, David M (Department: 2852)
Electrophotography
Having particular structure
Modular or displaceable
C399S165000
Reexamination Certificate
active
07957673
ABSTRACT:
The present application is directed to toner transfer systems with an adjustable transfer belt. The transfer belt transfers toner images from a first location to a second location. Two or more support rolls position and drive the transfer belt. A tensioning device is operatively connected to one of the support rolls. The tensioning device moves the support roll between a first position that places a first amount of tension on the belt, and a second position that places a lesser second amount of tension on the belt. The support roll is in the first position during image formation, and in the second position during non-image formation such as storage and shipping.
REFERENCES:
patent: 7133631 (2006-11-01), Ito et al.
Butler John D.
Geyling Alexander J.
Harden James Philip
Curran Gregory H
Gray David M
Lexmark International Inc.
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