(3) M23 will show the following message on LCD when firmware update.

Main Update BIOS Receive Data …

Main Update BIOS Write Flash …

(4) Printer will reset automatically when firmware is upgrade completely.

Method 2Use the utility “CommTool.exe” to update printer firmware

(1)Start “CommTool” utility and click “RS232 setup” button to setup PC RS-232 communication parameters.

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Image 62
The Speaker Company M23 user manual