Modular multi-stage fusing system

Electrophotography – Image formation – Fixing

Reexamination Certificate

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Details

C399S341000

Reexamination Certificate

active

06980762

ABSTRACT:
A multi-stage fusing system for fixing toner images to copy substrates of various weights has a primary fuser and a secondary fuser in series with the primary fuser. Various weights of print substrates may have toner images fixed thereon by the primary fuser. The various print substrates are then transmitted to the secondary fuser or directly to a finishing area. The secondary fuser is designed specifically for heavier weight substrates and a bypass paper path is provided for allowing lighter weight substrates to bypass the secondary fuser.

REFERENCES:
patent: 6647239 (2003-11-01), Oberhoffner
patent: 63192068 (1988-08-01), None
patent: 09171320 (1997-06-01), None
patent: 09258597 (1997-10-01), None
patent: 09265243 (1997-10-01), None
patent: 11038819 (1999-02-01), None
patent: 2002123108 (2002-04-01), None

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