Patent ID: 9207564
Filing Date: 2015-12-08
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image carrier configured to carry thereon a developer image; a holding roller configured to hold thereon developer attached on the image carrier; a charger different from the holding roller and configured to charge the image carrier; a transfer member provided to face the image carrier and configured to transfer the developer image on the image carrier to a transfer medium; a collection device configured to collect the developer on the holding roller via at least the image carrier, and a control device configured to execute a holding control while the image forming apparatus is printing an image on the transfer medium, the holding control including causing the holding roller to hold the developer by applying to the holding roller a holding bias having a polarity opposite to the developer, the control device further configured to execute a collection control of causing the developer held on the holding roller to move to the image carrier such that the collection device collects the developer via at least the image carrier, wherein the control device is further configured to: