| 摘要 |
A heat roller type fixing device having a fixing roller and a pressing roller and applicable to an electrophotographic copier or like image forming apparatus, and a method of producing the same. The pressing roller is produced such that the content of 3- to 15-mer, preferably 3- to 10-mer, low-molecular weight siloxanes (oligomers) which are contained in the roller is less than 300 parts per million. While the fixing device is in operation, chargers built in the image forming apparatus are prevented from being whitened by pologomers which are evaporated from the pressing roller.
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