| 摘要 |
PROBLEM TO BE SOLVED: To prevent stain on the rear face of a recording material due to inferior cleaning of a transfer belt, by preventing the emergence of a local projection part caused by sticking of a foreign substance such as dispersed toner to a roller tensioning the transfer belt. SOLUTION: For example, this belt carrier device is provided with the transfer belt 130 carrying the recording material in the opposite position of a photoreceptor drum, the drive roller 13 tensioning the transfer belt 130, a swinging roller 41, and a tension roller 42. This device is characterized in that, at least, one of roller surfaces of the rollers 41 and 42 driven and rotated by an endless belt is coated by fluororesin.
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