| 摘要 |
<P>PROBLEM TO BE SOLVED: To protect firmware when writing is interrupted for a certain reason such as power-off while a non-rewriting part of the firmware is being rewritten. <P>SOLUTION: The printer has: a means for partitioning the firmware into a non-rewriting part and a rewriting part; a means for writing the non-rewriting part into a backup area; a means for rewriting the non-rewriting part; a means for checking whether the non-rewriting part is changed; and a means for executing the non-rewriting part in the backup area when the non-rewriting part is changed. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
