When you said canaster, does that mean air can? If so it is possible you are out of air or the can outlet is blocked. Try using another can and see if that will solve your problem. Another theing could be the adapter than fits from the airbrush to the can. It has a small needle valve which can get damaged. If that is so you will have to get another adapter or buy a compressor.
Berny
Phormer Phantom Phixer
On the bench
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