| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming apparatus that can reduce the size of the image forming apparatus and enables easy arrangement of supply pipes for supplying a supplemental developer from a supply unit to a developing unit.SOLUTION: Above a developing unit group 14Z having developing units 14Y to 14K arranged in a row along the vertical direction for developing electrostatic latent images on photoreceptor drums for the colors Y to K with toner, supply bottles 80Y to 80K accommodating supplemental toner of the corresponding colors are arranged in a row along the vertical direction; the developing units 14Y, 14M, 14C, and 14K are arranged in this order from the top to the bottom; and the supply bottles 80K, 80C, 80M, and 80Y are arranged in this order from the top to the bottom. With this configuration, the supplemental toner in the supply bottles 80Y to 80K is supplied to the developing units 14Y to 14K of the corresponding colors through supply pipes 83Y to 83K. |
