| 摘要 |
PURPOSE:To facilitate the fine adjustment in the manual mode and simplify the operation in the automatic mode by providing a density stage display means and switching the number of display density stages in accordance with the manual or automatic density adjustment mode. CONSTITUTION:When the power source of a copying device is turned on, an AE mode indicator lamp 6 is lit, and copy number '1' is displayed on a 7-segment display device, and an LED element in a position 5 of a 17-segment display device 2 is lit, and a standard density is set in the AE mode. In the AE mode, the density is finely adjusted to 17 stages by the number of times of depression of keys 3 and 4, and this range is made narrower than the density adjustment range in the manual mode, and the density is displayed as a relative density stage based on proper density 5. When an AE key 5 is depressed, the AE mode indicator lamp 6 is extinguished and the manual mode is set, and 17-segment display is switched to absolute density display, and display contents on the 7-segment display device 1 is switched from the number of copies to the multistage density. |
