Image forming apparatus configured for double sided printing

Details Image forming apparatus configured for double sided printing Image forming apparatus configured for double sided printing

2006-01-03

2006-01-03

Chen, Sophia S. (Department: 2852)

Electrophotography

Image formation

Transfer

C399S302000, C399S309000

Reexamination Certificate

active

06983117

ABSTRACT:
An image forming apparatus of the present invention includes a first and a second intermediate image transfer belt contacting each other to form a nip for secondary image transfer. While the nip is heated, a sheet is passed through the nip to thereby transfer toner images respectively formed on the first and second belts to opposite surfaces of the sheet at the same time. The nip is sized such that image transfer and fixation can be effected at temperature higher than the melting point or the softening point of toner by 5° C. to 50° C.

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Patent Abstracts of Japan, JP 2000-250272, Sep. 14, 2000.

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