Image forming apparatus
First Claim
1. An image forming apparatus that transfers a toner image on a recording medium in a transfer unit and fixes the toner image on the recording medium in a fixing unit, and that is capable of performing duplex image formation, the image forming apparatus comprising a control unit that performsa first control in which a toner image is transferred and fixed on a second side of a recording medium after a toner image is transferred and fixed on a first side thereof, anda second control in which, after a toner image is transferred and fixed on a first side of a recording medium fed at first, a second side of the recording medium is subjected to fixing without transferring thereon a toner image.
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Accused Products
Abstract
An image forming apparatus transfers a toner image on a recording medium in a transfer unit and fixes the toner image on the recording medium in a fixing unit. The image forming apparatus performs duplex image formation in a first mode and a second mode. The first mode is a mode in which a toner image is transferred and fixed on a second side of a recording medium after a toner image is transferred and fixed on a first side thereof. The second mode is a mode in which, after a toner image is transferred and fixed on a first side of a recording medium fed at first, a second side of the recording medium is subjected to fixing without transferring thereon a toner image.
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Citations
18 Claims
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1. An image forming apparatus that transfers a toner image on a recording medium in a transfer unit and fixes the toner image on the recording medium in a fixing unit, and that is capable of performing duplex image formation, the image forming apparatus comprising a control unit that performs
a first control in which a toner image is transferred and fixed on a second side of a recording medium after a toner image is transferred and fixed on a first side thereof, and a second control in which, after a toner image is transferred and fixed on a first side of a recording medium fed at first, a second side of the recording medium is subjected to fixing without transferring thereon a toner image.
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7. An image forming apparatus that transfers a toner image on a recording medium in a transfer unit and fixes the toner image on the recording medium in a fixing unit, and that is capable of performing duplex image formation by an interleaf control of more than two recording media, the image forming apparatus comprising a control unit that performs
a first control in which a toner image is transferred and fixed on a second side of a recording medium after a toner image is transferred and fixed on a first side thereof, and a second control in which, after a toner image is transferred and fixed on a first side of a recording medium fed at first, a second side of the recording medium is subjected to fixing without transferring thereon a toner image, and usual interleaf control is performed thereafter.
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13. An image forming apparatus that transfers a toner image on a recording medium in a transfer unit and fixes the toner image on the recording medium in a fixing unit, and that is capable of performing duplex image formation by a BBAA control for two recording media, the image forming apparatus comprising a control unit that performs
a first control in which a toner image is transferred and fixed on a second side of a recording medium after a toner image is transferred and fixed on a first side thereof, and a second control in which a recording medium fed at first is subjected to fixing without transferring thereon a toner image, and usual BBAA control for two recording media is performed thereafter.
Specification