Patent ID: 9250568
Filing Date: 2016-02-02
CPC Classification: G03G

Claim Text:
1. An image forming apparatus comprising: a developing device configured to store decolorable toner and to develop a latent image formed on a photoconductor with the decolorable toner; a control section configured to form a predetermined toner image on the photoconductor by the developing device based on a parameter indicating a deterioration degree of the decolorable toner; a cleaner configured to collect the predetermined toner image formed on the photoconductor; wherein the parameter is a printing rate which is calculated by dividing total number of pixels of images formed on an image receiving media by total number of the image receiving media during a predetermined number of image forming; and wherein the control section forms the predetermined toner image on the photoconductor by the developing device when the printing rate is smaller than a predetermined threshold value.