Electrophotography – Image formation – Fixing
Patent
1998-11-19
1999-10-19
Smith, Matthew S.
Electrophotography
Image formation
Fixing
399328, 399335, 430126, G03G 1520
Patent
active
059703016
ABSTRACT:
A substrate carrying an unfixed toner image is fed through a contact zone which extends continuously from an entrance to an exit (18; 78). The zone is defined by an endless surface such as a first belt and a reaction surface such as a second belt in face-to-face pressure contact therewith. The first belt adjacent the entrance is heated to a temperature sufficient to reduce the viscosity of the toner to less than 50 Pa s. The first belt is forcibly cooled intermediate the entrance and the exit to a temperature below the glass transition point T.sub.g of the toner. Thereby un-fixed toner images can be fixed to the substrate and provided with a desirable level of gloss in one single device, while widening the range of operating conditions without risk of offset occurring.
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Patent Abstracts of Japan, abstract of published document 63-193155, publication date Aug. 10, 1988.
Smith Matthew S.
Xeikon N.V.
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