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US 9,958,827 B2Granted
Image forming apparatus and method of controlling fuser
AssigneeS-Printing Solution Co., Ltd.
InventorsHwa-chul Choi, Yun-su Kim
Life of this patent
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Abstract
An image forming apparatus is provided. The image forming apparatus includes a fuser configured to fuse a print sheet on which toner is developed and a fuser driver configured to supply a heating element of the fuser with a power source supplied from an external alternating current (AC) so as to enable the fuser to have a preset target temperature. The fuser driver performs a control of the number of waveforms hours of an AC power source supplied to the heating element by varying a control cycle according to a temperature of the fuser.
Claims18
An image forming apparatus comprising:
- a fuser configured to fuse a print sheet having a surface on which toner is developed, the fuser including a heating element;
- and
- a fuser driver configured to supply the heating element included in the fuser with an alternating current (AC) power externally supplied from a power source, so as to enable the fuser to fuse the print sheet at a preset target temperature,
- wherein the fuser driver is further configured to control the number of waveforms hours of the AC power supplied to the heating element by varying a control cycle of the fuser according to a temperature of the fuser.
1 more element
A method comprising:
- sensing a temperature of a fuser of an image forming apparatus, the fuser including a heating element;
- generating a driving signal based on the sensed temperature;
- and
- selectively supplying the heating element of the fuser with an AC power according to the generated driving signal,
- wherein the generating of the driving signal comprises:
- generating the driving signal by varying a control cycle according to the sensed temperature of the fuser, and
- controlling the number of waveforms hours of an AC power supplied to the heating element within the varied control cycle.
4 more elements
Dependencies are inferred from the claim text.