Toshiba e-STUDIO 5540C Service Manual page 1227

11.3.3 Engine ROM
The firmware of the engine ROM can be updated individually by using PWA-DWNLD-350-JIG1.
Important:
• Be sure to unplug the power cable before installing and removing the download jig.
• Do not shut down the equipment during the update. The data could be damaged and not be
able to be operated properly.
• When servicing the equipment with the power cable plugged in, be sure not to touch live
sections or motors, etc.
[A] Update procedure
(1) Write the ROM data to be updated to the download jig (PWA-DWNLD-350-JIG1).
(2) Turn the power OFF using the main power switch on the right-hand surface of the equipment.
(3) Unplug the power cable from the outlet.
(4) Take off the rear cover.
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Fig.11-20
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
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FIRMWARE UPDATING
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