Green nm typ. Blue nm typ. Continuous Fuser unit During. Important Information - Page 4 printing. Leave the power turned ON for a minimum of 30 minutes after printing. Location R To avoid malfunction, do not position the unit near appliances such as TVs or speakers which generate an intense magnetic field. Static electricity R To prevent static electricity damage to the interface connectors or other electrical components inside the unit, touch a grounded metal surface before touching the components.[…]