| 摘要 |
In an image forming device of the present invention, which is a tandem type, electrophotographic image forming device in which a plurality of photoconductor drums are located in order from one side to the other side of the main unit of the device, and a sheet of paper sequentially passes through the respective photoconductor drums with being supported by a transfer and transport belt unit, so as to transfer a plurality of kinds of toner images onto the sheet of paper, a first separating/contacting mechanism mechanically lowers/raises the whole of a transfer frame holding the transfer and transport belt unit in association with the opening/closing of a front door, a second separating/contacting mechanism mechanically lowers/raises the right side of the transfer frame in association with the opening/closing of a right side door, and a third separating/contacting mechanism mechanically lowers/raises the left side of the transfer frame in association with the opening/closing of a left side door. Therefore, the handling of a paper jam can be carried out even when power supply is cut off, and the transfer frame can be separated from the photoconductor drums just by opening a door from a plurality of access directions, on a side opened. Consequently, in a tandem type image forming device, this structure enables the handling of a paper jam when power supply is cut off due to power-down, etc.
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