An image forming apparatus comprising: an operation panel that includes: a plurality of pairs of indicators (10, 11, 20, 21) configured to emit light, wherein each indicator (10,11, 20, 21) includes a light-emitting diode (32; 33); a start key configured to start an operation of the image forming apparatus, wherein the start key includes a pair of indicators (10, 11) of light-emitting diodes (32, 33) emitting light at different wavelength; and a plurality of mode select keys configured to select an operation mode or a function of the image forming apparatus, wherein each of the mode select keys includes a pair of indicators (10, 11) of light-emitting diodes (32, 33) emitting light at different wavelength; and an operation control unit having a CPU and an I/O control unit controlled by the CPU, wherein the I/O control unit is configured to drive the light-emitting diodes (32, 33) of said start key and said plurality of mode select keys depending on a status of the image forming apparatus in order to display a status of the image forming apparatus; characterized in that: each of the mode select keys has two opposing end portions; and one light-emitting diode of said pairs of light-emitting diodes (32, 33) of each mode select key is arranged on one end of the mode select key and the other light-emitting diode of said pairs of the light-emitting diodes (32, 33) of each mode select key is arranged on the other end of the mode select key. an operation panel that includes: a plurality of pairs of indicators (10, 11, 20, 21) configured to emit light, wherein each indicator (10,11, 20, 21) includes a light-emitting diode (32; 33); a start key configured to start an operation of the image forming apparatus, wherein the start key includes a pair of indicators (10, 11) of light-emitting diodes (32, 33) emitting light at different wavelength; and a plurality of mode select keys configured to select an operation mode or a function of the image forming apparatus, wherein each of the mode select keys includes a pair of indicators (10, 11) of light-emitting diodes (32, 33) emitting light at different wavelength; and a plurality of pairs of indicators (10, 11, 20, 21) configured to emit light, wherein each indicator (10,11, 20, 21) includes a light-emitting diode (32; 33); a start key configured to start an operation of the image forming apparatus, wherein the start key includes a pair of indicators (10, 11) of light-emitting diodes (32, 33) emitting light at different wavelength; and a plurality of mode select keys configured to select an operation mode or a function of the image forming apparatus, wherein each of the mode select keys includes a pair of indicators (10, 11) of light-emitting diodes (32, 33) emitting light at different wavelength; and an operation control unit having a CPU and an I/O control unit controlled by the CPU, wherein the I/O control unit is configured to drive the light-emitting diodes (32, 33) of said start key and said plurality of mode select keys depending on a status of the image forming apparatus in order to display a status of the image forming apparatus; characterized in that: each of the mode select keys has two opposing end portions; and one light-emitting diode of said pairs of light-emitting diodes (32, 33) of each mode select key is arranged on one end of the mode select key and the other light-emitting diode of said pairs of the light-emitting diodes (32, 33) of each mode select key is arranged on the other end of the mode select key. each of the mode select keys has two opposing end portions; and one light-emitting diode of said pairs of light-emitting diodes (32, 33) of each mode select key is arranged on one end of the mode select key and the other light-emitting diode of said pairs of the light-emitting diodes (32, 33) of each mode select key is arranged on the other end of the mode select key.