Toshiba MJ-1104 Service Manual page 241

(6) When the update completes normally, the LED on the download jig starts blinking.
The LED on the download jig starts blinking in approx. 12 seconds after the update started.
It is assumed that the update is failed if the LED does not start blinking even after 20 seconds
have elapsed.
In this case, turn the power OFF and check the following items.
Then, clear the problem and restart updating from the beginning.
• Is the downloading jig connected properly?
• Is the ROM attached to the downloading jig properly?
• Has the update data been written correctly to the ROM on the jig?
• Is the download jig or the equipment damaged?
(7) Turn the power OFF and remove the download jig.
(8) Install the board access cover.
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PREVENTIVE MAINTENANCE (PM) / FIRMWARE UPDATE
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MJ-1103/1104