Fixing device and image forming apparatus,申请号US201414477168-传众专利搜索

Fixing device and image forming apparatus

申请公布号：US9459567(B2)

申请号：US201414477168

申请日期：2014.09.04

申请公布日期：2016.10.04

申请人：

RICOH COMPANY, LTD.

发明人：Momma Susumu;Masuda Koji;Suzuki Hidemasa

分类号：G03G15/20;G03G21/16

主分类号：G03G15/20

代理机构：

Oblon, McClelland, Maier & Neustadt, L.L.P

代理人：Oblon, McClelland, Maier & Neustadt, L.L.P

地址：Tokyo JP

摘要：A fixing device that fixes a toner image carried on a transfer sheet onto the transfer sheet includes a fixing belt that relatively moves, with its surface being in contact with the toner image during the fixing operation, with respect to the transfer sheet, surface information detecting devices that determine surface information of the fixing belt, a surface condition changing roller that is arranged so as to be capable of coming into contact with and separating from the fixing belt and abrades the surface of the fixing belt in contact with the fixing belt, and a surface condition changing controller that controls the contact and separation of the surface condition changing roller with and from the fixing belt based on detection results obtained by the surface information detecting devices.

主权项：1. A fixing device that fixes a toner image carried on a sheet-shaped recording medium onto the sheet-shaped recording medium, the fixing device comprising: a fixing member that relatively moves, with a surface thereof being in contact with the toner image during a fixing operation, in a first direction with respect to the sheet-shaped recording medium; a surface information detecting device that determines surface information of the fixing member including information on a flaw formed on the surface of the fixing member; a surface condition changing device that is contactable with and separable from the fixing member and that abrades the surface of the fixing member in contact with the surface condition changing device; and a surface condition changing controller that controls contact and separation of the surface condition changing device with and from the fixing member based on a detection result obtained by the surface information detecting device.