Patent ID: 8055172

Claim:
A fusing device comprising: fusing rollers, including a pair of roller members, which pass a recording medium with an unfixed toner image formed thereon through a nip portion where the two roller members come into press-contact with each other so as to fuse and fix the toner image onto the recording medium; and a cleaning mechanism, including a web material feeder for supplying a web material and a web material winding portion for taking up the web material, and arranged so as to abut the web material against an outer peripheral surface of the fusing roller to clean the roller surface, characterized in that the cleaning mechanism further includes: a web material detector which abuts the web material to detect the presence of the web material; and a guide member for guiding conveyance of the web material, on the upstream side of the position where the web material abuts the fusing roller, with respect to the web material's direction of conveyance, and the guide member is arranged upstream of a position where the web material detector abuts the web material with respect to the web material's direction of conveyance.