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US 9,316,960 B2Granted
Fixing device
AssigneeKonica Minolta, Inc.
InventorsYuji Kamoda, Junya Hirayama, Shigeo Uetake, Tomohiko Masuda
Life of this patent
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AssigneeKonica Minolta, Inc.
InventorsYuji Kamoda, Junya Hirayama, Shigeo Uetake, Tomohiko Masuda
Estimating the term…
A fixing device includes: a non-contact heating portion that includes at least one non-contact heating unit which heats a toner image on a sheet; and a pressurizing and heating unit that is provided downstream in a sheet transport direction with respect to the non-contact heating portion and that pressurizes and heats the toner image. A time from a first point of time when the toner image reaches a toner melting temperature by heating of the non-contact heating portion to a second point of time when the toner image enters the pressurizing and heating unit is set equal to or more than a predetermined time. The predetermined time is a time when a ratio between the weight of the toner in the toner image before the entrance and the sum of the weight of the toner and the weight of the carrier liquid is equal to or more than 70%.
A fixing device that fixes, to a sheet, a toner image developed with a wet developer containing a toner and a carrier liquid, the fixing device comprising:
Dependencies are inferred from the claim text.