| 摘要 |
A toner image fixing apparatus has a fixing roller, a pressing roller normally urged toward said fixing roller for pressing a sheet with an unfixed toner image carried on a surface thereof against said fixing roller to fix the unfixed toner image to said sheet when said sheet passes in one direction through a rolling contact region between said fixing roller and said pressing roller, a heating roller disposed on one side of said fixing roller opposite to said pressing roller, said heating roller having heating means disposed therein for heating said heating roller, an endless heat transfer belt trained around said heating roller and said fixing roller for transferring heat from said heating means to heat the unfixed toner image on said sheet when said sheet passes through said rolling contact region, and a standby mode temperature control circuit for maintaining temperatures of said fixing roller and said pressing roller in a predetermined temperature range in a standby mode. |
