Firmware Update
SM 5-7 D255/D256/M281/M282
Maintenance
9. Press the [Update] or [#] key, and perform software update.
10. During firmware update, a "firmware update/ verification progress screen" is displayed. When
firmware update is complete, a "firmware update end screen" is displayed.
In the middle row, the name of the module currently being updated is displayed. (in this
case, the printer is being updated)
In the lower row, a progress bar is displayed in ten steps. (The more *, the more the
progress.)
When updating the control unit program, since progress cannot be displayed on the
screen, the ROM update process is determined when the LED of the [Start] key changes
from red to green.x
Firmware update end screen
This screen is displayed when all selected firmware modules are to be updated.
"printer" in the second row shows that the module updated last is the printer. (When
more than one are updated simultaneously, only what was updated last is displayed.)
When Verify has completed normally, the Update done display of the above screen is
"Verify done." If "Verify Error" is displayed, reinstall the software of the application
displayed in the lower row.
11. After turning OFF the main power, remove the SD card from the SD Card Slot 2.
12. Again, turn ON the main power, and check whether the machine is operating normally.
13. Reassemble the machine.
When the power supply is switched OFF during firmware update, update is interrupted,
and the power is switched ON again, normal operation cannot be guaranteed.
To guarantee operation, an update error continues to be displayed until update is
successful.
In this case, insert the SD card again, switch the power ON, and continue download of
firmware from the SD card automatically.
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