Patent ID: 8042801
Filing Date: 2011-10-25
Classification: B65H

Abstract:
1. An image forming apparatus, comprising: an apparatus body; a cassette configured to be detachably mounted in the apparatus body and to hold print media; and a sensor unit including a first actuator, a second actuator, a third actuator, a first sensor and a second sensor, the first actuator being configured to indicate whether the cassette is mounted in the apparatus body, the second actuator being configured to indicate whether print media is loaded in the cassette, and the third actuator being configured to indicate a position of the print media, the first sensor being configured to detect the first actuator and the third actuator, the second sensor being configured to detect the second actuator, wherein the second actuator includes a second actuating arm and a second sensing arm, the second actuating arm being configured to contact the print media, the second sensing arm being configured to be detected by the second sensor when the second actuating arm is in contact with a print medium.