| 摘要 |
An image forming apparatus includes an output control unit (30, 40) to change an output of an optical sensor to collectively recognize a plurality of print processes for a print job. The output control unit includes a first actuator (30) to recognize whether paper is present in a printing medium cassette and a second actuator (40) to recognize whether paper is being conveyed. This makes it possible to recognize whether paper is present in a printing medium cassette and whether paper is being conveyed based on the output of the optical sensor, thereby reducing a financial burden and preventing a reduction in a task efficiency of an optical sensor installation.
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