| 摘要 |
An image recording apparatus employs an electrophotographic process wherein a recording medium is fed along a predetermined feed path, a photoconductive drum on which a toner image is formed is arranged below the feed path and a transfer unit is arranged above the feed path oppositley to the photoconductive drum so as to transfer the toner image formed on the photoconductive drum onto the undersurface of the recording medium. An upper component arranged above the photoconductive drum is arranged openably with respect to a lower component in which the photoconductive drum and a unit which is exchangeable are disposed. A detecting member, which detects the presence of the exchangeable unit when the upper component is closed with respect to the lower component, is provided on the upper component.
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