| 摘要 |
PURPOSE:To obtain optional excellent image quality which an operator desires by individually setting each developing bias and a light quantity. CONSTITUTION:By operating a bias key and a light quantity key(command means) on a control panel 30 by the operator, the respective bias values of a developing roller 23, a developing blade 24 and a destaticizing brush 25 in a developing device and the light quantity of an optical system 3 are individually specified in order to satisfy a desired image condition. A process control part (control means) 31 outputs command signals to various kinds of drivers 33-36 for setting the bias and the light quantity with the signals from the respective keys. Thus, an excellent image is obtained in any image pattern. |
