Has anybody submitted current Canon rebate and denied?

I bought a T4i and a Canon Pixma printer to qualify for the current rebate from Adorama.

I followed their instruction very carefully and submitted my form via certified mail.

However, when I checked the status 10 days later, the status is "program violation". The explanation: they can't honor the rebate because the purchase did not fulfill the term of the program. This is vague. I don't know what they were referring to.

I am very upset right now. Canon is cheating their customers.

Has anybody here submitted for the same/similar rebate and having problem like I do?

Thanks.