A:Answer The Brother MFC-L3710CW is an Electrophotographic LED printer, this does not affect the odor of the machine. Laser and LED printers may produce normal operational odors from toner, paper dust, room dust, ozone, etc. The strength of the odor can be dependent on different factors such as age of the machine and amount of use of the machine. For more information, feel free to contact Brother Customer Service directly.