Abstract: An image forming apparatus includes a CPU and a gesture detection part. The gesture detection part outputs data for a gesture corresponding to a hand action of a user present in front or in the vicinity of an apparatus body, to the CPU. The CPU detects presence or absence of the gesture and the type of the gesture in accordance with output from the gesture detection part. The CPU, upon detecting the gesture, checks details of the gesture against details of the preregistered, registered gesture, and if the detected gesture is the registered gesture, the CPU executes processing allocated to the detected, registered gesture.

Abstract: An image forming apparatus includes a CPU and a gesture detection part. The gesture detection part outputs data for a gesture corresponding to a hand action of a user present in front or in the vicinity of an apparatus body, to the CPU. The CPU detects presence or absence of the gesture and the type of the gesture in accordance with output from the gesture detection part. The CPU, upon detecting the gesture, checks details of the gesture against details of the preregistered, registered gesture, and if the detected gesture is the registered gesture, the CPU executes processing allocated to the detected, registered gesture.

Abstract: An image forming apparatus includes a toner image forming portion, an information acquisition portion and a control portion. The control portion carries out processes (i) and (ii). In the process (i), the control portion causes the toner image forming portion to form, as a test image, at least either one of a toner image of single dot and a toner image of dot line consisting of single dots arranged in one or more rows in a predetermined direction, and then causes the information acquisition portion to acquire optical information on the formed test image. In the process (ii), the control portion corrects a condition for forming the toner image in the toner image forming portion, based on a state (size, concentration distribution, edge shape) of the test image obtained from the optical information acquired by the information acquisition portion.

Abstract: An image forming apparatus includes a toner image forming portion, an information acquisition portion and a control portion. The control portion carries out processes (i) and (ii). In the process (i), the control portion causes the toner image forming portion to form, as a test image, at least either one of a toner image of single dot and a toner image of dot line consisting of single dots arranged in one or more rows in a predetermined direction, and then causes the information acquisition portion to acquire optical information on the formed test image. In the process (ii), the control portion corrects a condition for forming the toner image in the toner image forming portion, based on a state (size, concentration distribution, edge shape) of the test image obtained from the optical information acquired by the information acquisition portion.