Ricoh D146 Service Manual page 1606

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In the middle row, the name of the module currently being updated is displayed. (in this
case, the printer is being updated)
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In the lower row, a progress bar is displayed in ten steps. (The more *, the more the
progress.)
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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.
Firmware update end screen
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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.)
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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 switching power OFF, remove the SD card.
12. Again, switch the power ON, and check whether the machine is operating normally.
13. Return the SD card slot cover to the original position.
System Maintenance Section 5-7 D146/D147/D148/D149/D150
Procedure