| 摘要 |
PURPOSE:To adjust exposure easily and within a short time. CONSTITUTION:A test chart is exposed and scanned in an image forming section 46 by use of an exposure lamp 4, and a value corresponding to the image density of the test chart so processed is entered from an operation section 44. CPU 40, while referring to a data table stored in a non-volatile data memory 42, reads out an adjusting value corresponding to the entered input value, and controls the brightness of the lamp 4 via a lamp regulator circuit 43, depending on the adjusting value. |
