Canon JX500 Service Manual page 132

1-3-4 Version-up Procedure
Print out the user setting data list and the service setting data list. The ROM
version-up deletes the registered data.
Never turn this machine OFF until "Step. 14" is completed after this machine
is plugged to the computer at "Step 7." This machine may malfunction.
Execute
(Refer to
1. Set to the hard-power-OFF.
2. Set to the hard-power-ON while
3. Release [ Stop] key briefly, and then press and hold [ Stop] key again.
4. Release
5. Start "USBTools.exe" on the computer.
6. Plug the USB connector to the computer.
7. Cancel the dialog box below (asking a driver installation) twice if displayed.
the all clear after the entire procedure is completed.
Part 1:4-1 Action in the Event of
[ Stop] key if Power LED blinks slowly.
Abnormality)
pressing and holding [ Stop] key.
Fig.Part 2-6