Tried using a micro fiber cloth and the blower... Didn't work for me.
So I used an airbrush, lens paper and some solution that came with my dry cabinet... But thats because i took apart my d70 to convert to ir...
Works just fine for me And its not exactly a ccd that your cleaning. Its just a filter. The real sensor is below it.
That's becos u're just cleaning the low-pass filter.