Image forming apparatus and fixing apparatus thereof
First Claim
Patent Images
1. An image forming apparatus, comprising:
- a heating roller part to fix developer to a printing medium;
a heating part to heat the heating roller part;
a power supplying part to supply electric power to the heating part; and
a controlling part to control the heating roller part to have a predetermined fixing temperature in a predetermined operation mode and to have a temperature that is less than the predetermined fixing temperature but not less than a predetermined power saving temperature in a predetermined power saving mode.
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Accused Products
Abstract
An image forming apparatus includes a heating roller part to fix developer to a printing medium, a heating part to heat the heating roller part, a power supplying part to supply electric power to the heating part, and a controlling part to control the heating roller part to have a predetermined fixing temperature in a predetermined operation mode and to have a temperature that is less than the predetermined fixing temperature but not less than a predetermined power saving temperature in a predetermined power saving mode.
19 Citations
23 Claims
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1. An image forming apparatus, comprising:
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a heating roller part to fix developer to a printing medium;
a heating part to heat the heating roller part;
a power supplying part to supply electric power to the heating part; and
a controlling part to control the heating roller part to have a predetermined fixing temperature in a predetermined operation mode and to have a temperature that is less than the predetermined fixing temperature but not less than a predetermined power saving temperature in a predetermined power saving mode. - View Dependent Claims (2, 3, 4, 5, 6, 8)
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7. A fixing apparatus, comprising:
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a heating roller part to fix developer to a printing medium;
a heating part to heat the heating roller part;
a power supplying part to supply electric power to the heating part; and
a controlling part to control the heating roller part to have a predetermined fixing temperature in a predetermined operation mode and to have a temperature that is less than the predetermined fixing temperature but not less than a predetermined power saving temperature in a predetermined power saving mode.
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9. A fixing unit useable with an image forming apparatus, comprising:
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a heating unit to apply heat to a developed image;
at least one heating device to heat the heating unit; and
a controlling unit to control the at least one heating device to heat the heating unit to a predetermined fixing temperature during an operation mode and to heat the heating unit to a temperature that is less than the predetermined fixing temperature but greater than or equal to a predetermined power saving temperature during a power save mode. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. An image forming apparatus, comprising:
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a fixing unit to fix a developed image, comprising;
a heating unit to apply heat to the developed image, and first and second heating devices to each heat the heating unit; and
a controlling unit to control predetermined amounts of power supplied to the first and second heating devices. - View Dependent Claims (18)
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19. A method of fixing a developed image using a heating unit of an image forming apparatus, the method comprising:
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controlling the heating unit to have a predetermined fixing temperature during an operation mode of the image forming apparatus; and
controlling the heating unit to have a temperature that is less than the predetermined fixing temperature but greater than or equal to a predetermined power saving temperature during a power save mode of the image forming apparatus. - View Dependent Claims (20, 21, 22, 23)
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Specification