| 摘要 |
Waste toner is collected in a collecting container. When a full-state condition of the collecting container is detected; if a door is opened, a stepping motor is activated to move the collecting container from a mounted position to a demounting position. In an operational situation where a paper-guide plate is opened when a paper jam is detected in a vertical conveyer; even if the collecting container is full, the collecting container remains at a stand still at the mounted position. When the full collecting container is replaced with an empty collecting container at the demounting position, the stepping motor is activated to rotate in the reverse direction so that the collecting container is returned from the demounting position to the mounted position. The collecting container when filled can optionally be moved by a mechanical weight system. Optionally the container can be moved to a mounted position manually.
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