| 摘要 |
A fixing unit for use in a low-cost and compact electrophotographic printing apparatus, which permits easy control of electrophotographic process and presents a stable image quality in the formation of an image requiring transmissivity, such as an image forming on a transparent sheet. When an image output medium is an overhead projector transparent sheet, the overhead projector transparent sheet is continuously held between a fixing roller and a fixing backup roller in the fixing unit and a plurality of heating and fixing process are repeated on to the overhead projector transparent sheet by repeatedly rotating both rollers in normal and reverse directions. <IMAGE> |
