| 摘要 |
<p>An image forming apparatus of the present invention includes a fixing device in which a cleaning mechanism for collecting toner left on a heat roller is arranged. When a preselected number of prints are output after the end of a printing job, a blurred toner image is produced or a crumbled sheet is outputted, a cleaning operation for cleaning the heat roller is executed. When a power-supply OFF request arrives while the cleaning operation is under way, a power-supply OFF operation is postponed until the cleaning operation ends.</p> |
