Image forming apparatus

An image forming apparatus comprising:

• a sheet discharge outlet from which a sheet is discharged;
• a sheet tray that is rotatable, using its side toward the sheet discharge outlet as a rotation fulcrum, between an open position configured to open an inside of a housing and a closed position configured to close the inside of the housing and enable loading of discharged sheets on the sheet tray;
• an actuator configured to rotate in accordance with a load amount of sheets on the sheet tray;
• and
• a detection portion configured to detect that a rotation position of the actuator has reached a detection position, wherein
• the actuator includes:
• a first rotation shaft disposed above the sheet discharge outlet;
• a base end portion that is connected to the first rotation shaft and is rotatable about the first rotation shaft;
• a connection portion configured to connect the first rotation shaft and the base end portion in an integrally rotatable manner in a predetermined rotation direction;
• a contactor that extends from the first rotation shaft toward the sheet tray, that is integrally rotatable with the first rotation shaft, and that rotates in accordance with the load amount of sheets loaded on the sheet tray;
• and
• a detected member that extends in a direction perpendicular to the first rotation shaft, that is rotatable in response to rotation of the base end portion, that is detected at the detection position by the detection portion, and that is rotatable to a stop position beyond the detection position, and
• the connection portion is configured to form a connection between, and integrally rotate, in the predetermined rotation direction, the first rotation shaft and the base end portion until the detected member reaches the stop position, and release the connection formed by the connection portion when the detected member reaches the stop position, and rotate, in the predetermined rotation direction, only the first rotation shaft in a state where the detected member is being stopped at the stop position.