| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation display device for combined copying machine provided with a display unit capable of immediately judging various operation modes such as a copying mode, a facsimile mode and a printer mode. SOLUTION: A liquid crystal display unit 18 is arranged in the center of the operation display device 1. The liquid crystal display unit 18 has an LED back light under an LCD cell, and the LED back light has plural LED chips different in color. When respective application switching keys 16c, 16f and 16p are depressed, the different color LED chip is turned on in accordance with the operation mode of the application. |
