Toshiba e-STUDIO 5540C Service Manual page 1230

(5) Connect the download jig with the jig connector (CN518) on the PFC PC board (PFC board).
(6) Open the duplexing unit.
(7) Plug the power cable into the outlet.
(8) Turn the power ON using the main power switch while simultaneously holding down the [0] and
[8] buttons. Updating starts automatically and the LED on the download jig lights.
(9) When the update is completed properly, the LED (END) on the download jig blinks. The LED
starts blinking approx. 15 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 updating data written on the ROM of the download jig properly?
• Do the download jig and the equipment operate properly?
(10) Turn the power OFF using the main power switch on the right-hand surface of the equipment.
(11) Unplug the power cable from the outlet and remove the download jig.
(12) Install the cover plate and rear cover, and then close the duplexing unit.
(13) Plug the power cable into the outlet.
[B] Confirmation of the updated data
After the updating is completed, check each data version in Setting Mode (08) to confirm that the data
were overwritten properly.
 P. 11-51"11.5 Confirmation of the updated data"
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
FIRMWARE UPDATING
Fig.11-23
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