Input device and image forming apparatus including ihe same

An input device comprising:

• an operation key arranged in an opening of a panel;
• and
• a light source and a push button switch each arranged in a position opposite to the opening on a board,
• wherein the operation key includes:
• a key top having a pressing part extending toward the push button switch;
• a frame formed with a wall surrounding the light source and the push button switch;
• and
• one or more pairs of arms extending from connection parts that are provided in positions opposite to each other in a peripheral portion of the key top, respectively, to sandwich the key top between the connection parts toward the frame and connected to the frame,
• wherein the pressing part is arranged in a position separated from a center position in planar view of the key top on a line that is parallel to a line connecting the connection parts of the key top, which are connected with one pair out of the one or more pairs of arms, and passes through the center position, and
• wherein the push button switch is arranged in a position on the board opposite to an arrangement position of the pressing part.