An image forming apparatus is provided capable of preventing fog from happening and obtaining more stable image density, which includes an image carrier; a charging section for charging surface of the image carrier; an exposing section for forming an electrostatic latent image on the image carrier; a...http://www.google.es/patents/US7539429?utm_source=gb-gplus-sharePatente US7539429 - Image forming apparatus having a stable image density
Image forming apparatus having a stable image density