| 摘要 |
A toner supply arrangement for use in a developing apparatus which includes a plurality of toner accommodating containers provided in the developing apparatus, a toner transport device for transporting toner accommodated in each of the plurality of toner accommodating containers to the developing apparatus, a driving unit for driving the toner transport device; a first toner detecting device for detecting presence or absence of toner accommodated in each of the plurality of toner accommodating containers, a cover member for selectively opening or closing an opening for each of the plurality of toner accommodating containers, an open/close detecting device for detecting opening or closing of the cover member, and a control device for actuating the first toner detecting means upon detection of the opening or closing of the cover member so as to apply a control signal to the driving unit according to result of detection of the toner detecting device.
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