Image forming apparatus
AssigneeFuji Xerox Co., Ltd.
InventorsNaoki OTA, Masataka KURIBAYASHI, Takafumi KOIDE, Yusuke FUKUDA, Katsuyuki KITAJIMA, Yasuhisa MOROOKA
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AssigneeFuji Xerox Co., Ltd.
InventorsNaoki OTA, Masataka KURIBAYASHI, Takafumi KOIDE, Yusuke FUKUDA, Katsuyuki KITAJIMA, Yasuhisa MOROOKA
Estimating the term…
An image forming apparatus includes a fixing unit that includes a heating and pressurizing member, and fixes the toner image by performing the operation of heating and pressurizing on the toner image on a recording medium twice or more times with the heating and pressurizing member, wherein the toner contains a toner particle which contains a binder resin containing a crystalline polyester resin, a colorant, and a release agent, and an external additive, and satisfies Expression: 2≦tan δP1≦2.5, wherein tan δP1 represents a maximum value of a mechanical loss tangent existing in a range where a complex elastic modulus is from 1×106 Pa to 1×108 Pa, which is measured at an angular frequency of 6.28 rad/sec and a distortion amount of 0.3%.
An image forming apparatus comprising:
Dependencies are inferred from the claim text.