| 摘要 |
PROBLEM TO BE SOLVED: To provide a fixing device and an image forming apparatus, wherein a fixing roller surface is not deteriorated neither broken by being locally overheated by an external heat roller. SOLUTION: When a temperature raising step of raising a surface temperature of a fixing roller to a fixing set temperature is switched to a standby mode to not only turn off a heater for the external heat roller but also stop the fixing roller 12, a fixing control part provide a driving delay time and rotates the fixing roller extra for the driving delay period after turning off the heater for the external heat roller. COPYRIGHT: (C)2008,JPO&INPIT |
