Toshiba e-STUDIO 5540C Service Manual page 1233

(5) Remove the cover plate.
(6) Connect the download jig with the jig connector on the scanning section control PC board (SLG
board).
(7) Press the [ON/OFF] button while simultaneously holding down the [0] and [8] buttons.
Updating starts automatically and the LED on the download jig lights.
(8) After the update is completed properly, the LED on the download jig blinks.
The LED starts blinking approx. 20 sec. after the update starts. It is assumed that the update has
failed if it does not start blinking even though 1 min. has passed. In this case, shut down the
equipment and check the following items. Then clear the problems and restart updating from the
beginning.
• Is the download jig connected properly?
• Is the ROM installed to the download jig properly?
• Is the updating data written on the ROM of the download jig properly?
• Do the download jig and the equipment operate properly?
(9) Turn the power OFF using the main power switch on the right-hand surface of the equipment,
remove the download jig, and then install the cover plate, top right cover and right top cover.
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Fig.11-28
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
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FIRMWARE UPDATING
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