| 摘要 |
In a backup system for a printer control device, the important data in the printer control device is formed into a file of important data, and the file of important data thus formed is backed up by a memory such as a file server, a mail server or a floppy disk, so that, when the important data is erased from the printer control device, the file of important data is read from the memory and stored in the printer control device, whereby the important data can be restored quickly and accurately, and the leakage of confidential data can be positively prevented.
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