| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a fixing device capable of stably fixing an image without causing wrinkles on an envelop by switching the angle of an entrance guide cooperatively with a fixing pressure switching operation with no need of user's manual operation. <P>SOLUTION: The fixing device 22 includes a heating roller (heating member) 24 and a pressure roller (pressure member) 25 rotating in abutment with each other, the entrance guide 30 disposed on the upstream side of a fixing nip N formed by the heating roller 24 and the pressure roller 25 in a paper carrying direction, and a fixing pressure switching mechanism of switching a fixing mode to a high pressure mode where the fixing pressure is set high or a low pressure mode where the fixing pressure is set low. The fixing device includes an entrance guide switching mechanism of switching the angle of the entrance guide 30 cooperatively with the fixing pressure switching operation by the fixing pressure switching mechanism. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
