Please provide us with more info on the smell that you mentioned.
1. Which are the models you're referring having odour issue?
2. Environment where the machine is installed (open or closed area?, air circulation?, etc) 3. Is it smell of Ozone?
4. Is it Toner Smell?
5. Is it from Fusing unit?
6. Is it burning smell?
If necessary we can provide ECO Declaration.