Image forming apparatus setting different target temperatures of an image heating device depending on the image forming modes
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United States of America Patent
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Apr 30, 2013
Grant Date -
Aug 5, 2010
app pub date -
Feb 2, 2010
filing date -
Feb 3, 2009
priority date (Note) -
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Abstract
An image forming apparatus includes: a device for forming a toner image on a sheet; a heater contacting and heating the toner image on the sheet; a detector for detecting a temperature of the heater a controller for controlling the heater to maintain the temperature of the heater at a target temperature based on an output of the detector; a selector for selecting a first mode continuously forming images on thin sheets, a second mode continuously forming images on thick sheets, and a third mode continuously forming images on the thin sheet and the thick sheet; and a setter for setting the target temperature based on the selected mode, wherein the target temperature in the second mode is higher than the target temperature in the first mode, and the target temperature in the third mode is higher than the target temperature in the second mode.
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