| 摘要 |
A sheet delivery device is disclosed that includes an openable and closable manual paper feeder, an openable and closable paper catch tray, a first open/close detection unit to detect an opened/closed state of the manual paper feeder, a second open/close detection unit to detect an opened/closed state of the paper catch tray, and a control unit. The control unit issues an alert in response to simultaneous occurrences of both a closed state of the paper catch tray detected by the second open/close detection unit and an open state of the manual paper feeder detected by the first open/close detection unit.
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