Read Sharp MX-M160 / MX-M160D / MX-M160DK Handy Guide online
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Firmware Upgrade Procedure
4. Expand the Simulation Command List and double click Download DWL Data
Area
from within the Special folder.
5. Browse to the location of the new firmware file (*.dwl) and click open to start
the firmware download.
Click on the first or last page to see other MX-M160 / MX-M160D / MX-M160DK service manuals if exist.