PURPOSE: To prevent an overlapped toner adhering phenomenon due to adhering matter, by providing a means for cleaning a toner separating pawl.

CONSTITUTION: When a plunger 9 is electrically conducted by a means 13, a plate spring member 8 is drawn upward, and a separating pawl 6 is rotated clockwise and is detached form a heating roller 1. In this case, adhering matter 7 which has adhered onto a side surface 61 of the separating pawl 6 is detached from the separating pawl as a sharp tip part of a peel-off part 10 slides on the side surface 61. Accordingly, an overlapped toner adhering phenomenon due to adhering matter is prevented.