| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce troublesomeness when preventing a security accident due to printed matter leaving of a battery printer.SOLUTION: In a printer that can be driven by an AC or battery power source, the printer includes: a detection circuit for detecting whether the power source is the AC or battery; and a lock mechanism for locking a cover for covering a sheet ejection tray only when detected that the power source is the battery.</p> |
