| 摘要 |
A collator has a manual sheet insertion device which permits desired sheets to be delivered into the collator independently of copy sheets which will be passed thereto from a copying machine. The manual sheet insertion device includes a manual sheet insertion sensor responsive to manual insertion of each sheet through this device and a sheet entry sensor responsive to entry of each sheet into a bin. The copying machine includes a sheet feed sensor whose output is adapted to operate a sheet feed counter. When sheets other than those fed from the copying machine are introduced one by one in the collator through the manual insertion device, the sheet feed counter has its count corrected in response to an output signal of the manual sheet insertion sensor and in accordance with the count of a sheet entry counter which is operated by an output signal of the sheet entry sensor. With this correction, the remaining number of sheets to be copied can be surely processed by the copying machine after the delivery of the manually inserted sheets into the collator; the copies will be conveyed successively into the collator after the manually inserted sheets.
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