| 摘要 |
<p>An image forming apparatus includes an image bearing member movable along an endless path; an electrostatic latent image forming device for forming an electrostatic latent image on an image bearing member; a developing device for developing the latent image with toner into a toner image; a transfer device for transferring the toner image from the image bearing member onto a transfer material, wherein the latent image forming device, the developing device and the transfer device are disposed in the order named with respect to a direction of movement of the image bearing member during image formation; a detection pattern image forming device for forming a predetermined pattern image on the image bearing member; a detection pattern detecting sensor, disposed downstream of the transfer means with respect to the movement direction of the image bearing member and disposed faced to the image bearing member, for detecting a state of the detection pattern; and controller for controlling an image forming condition of the image forming apparatus in accordance with a detection by the sensor. <IMAGE></p> |
