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11) The main menu for the maintenance tool appears. Click the "Firmware Update/Writing" button.
12) The following message appears. Click the "Yes (Y)" button.
13) Click the “Setting” button when the following message appears.
14) The following message appears. Click the “...” button at the “Maintenance file:”.
15) The following message appears. Select “JR1089527.dlf” and click the "Open" button.