Input device and image forming apparatus

An input device mountable in an image forming apparatus including an image reading device configured to read an image of an original, an image forming portion configured to form the image on a recording medium and an operating panel which includes a display screen, the input device comprising:

• a numerical key portion where a plurality of numerical keys configured to input numerical information of 0 to 9 are arranged as hardware keys in the telephone type arrangement, the numerical information input by the numeral key portion being displayed on the display screen;
• a start key configured to provide an instruction of a start of reading the image to the image reading device, and disposed as a hardware key at a position on the front side with respect to the numerical key portion in a front-back direction of the input device;
• a stop key configured to provide an instruction of a stop of reading the image to the image reading device, and disposed as a hardware key at a position on the front side with respect to the numerical key portion in the front-back direction of the input device;
• and
• a clear key configured to provide an instruction for clearing the numerical information displayed on the display, and disposed as a hardware key between the numerical key portion and both of the start key and the stop key in the front-back direction,
• wherein as viewed in the front-back direction, at least a part of the clear key and the stop key are overlapped with each other,
• wherein as viewed in the front-back direction, the clear key and the start key are not overlapped with each other,
• wherein the image forming apparatus is operable by a voice operation by using voice, and
• wherein the input device further includes a setting key configured to emit light in a case in which the voice operation is valid, the setting key being provided on a back side with respect to the numerical key portion in the front-back direction.