Cleaning the XTi's sensor

Doug Pardee raised a question in another thread, but as it was a bit off topic it might get missed there and I think it's an interesting question. I hope Doug will forgive me hauling it out of there like this. The gist of it is that the XTi's new sensor-cleaning technology may not always be sufficient and our tried and true methods for cleaning the sensors of our older models may not be appropriate with the XTi. Here's what Doug said:

Member said:

The DReb/300D and XT/350D had a protective cover over the
sensor unit, and the entire unit was a solid sandwich. On the
XTi/400D, there is no protective cover and the monocrystal anti-
aliasing filter is mounted by its edges, without support from the
rest of the sensor unit.

Click to expand...

Member said:

If you use liquid, can the liquid harm the gasket behind the filter?
Can liquid get past the gasket into the gap behind the filter? Can
liquid harm the sticky material that traps dust from the auto cleaner?
Can pressing the swab against the filter crack the filter, since the
filter is not supported from behind?

Click to expand...

Member said:

If you use a sensor pen, can you crack the unsupported filter
by pressing on it?

Click to expand...

Member said:

A bulb blower is obviously safe, and a charged brush is almost
certainly so. But what do you use when those aren't enough?

Click to expand...

These are good question and I am sure Cannon can provide the answer. You should ask and count ONLY on manufacture written answer. (So you can have someone to blame in case something goes wrong)

Best Regards.

Which is why I think Canon's reply will be something like this...

"Please send cameras in need of cleaning only to a Canon service center."

Problem solved for Canon liability wise at least.

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