I have tried all of your ideas and I get no changes. It's a malfunction in the calculator no doubt. I say this because I can turn it off, it still has the high pitched sound. However, when I turn it on to the first right, it stops. I can then turn it...
I have Canon MP11DX and this is my 4th one like this. I love this machine, however, this high pitched squeel has got to go or the Canon is out of here. Mine is past warranty too. If I can't get an answer and solution to this problem, the next time I'...
