Chapter 11-61.1.2.3 Handling of the Laser Assembly 0014-4967i-SENSYS MF4150 / i-SENSYS MF4140 / i-SENSYS MF4120 /Invisible laser beam is radiated within the laser scanner unit. Laser beam radiation may pose damage to eyes. Be sure not to disassemble the laser scanner unit. Thehost machine's laser scanner unit cannot be adjusted in the field. The label [1] shown in the figure below is attached onto the cover of the laser scanner unit.F-1-91.1.2.4 Safety of the Toner 0014-4968i-SENSYS MF4150 / i-SENSYS MF4140 / i-SENSYS MF4120 /Toner in GeneralToner is a non-toxic material made up of plastic, iron, and small amounts of dye.Do not throw toner into fire. Doing so can lead to explosion.Contact with Toner1. Toner on the skin or clothes must be removed by washing with water immediately.2. The use of warm water must be avoided, doing so will cause the toner to turn gel-like and to permanently fuse with the fibers of the clothes.3. Contact with vinyl must also be avoided, as toner can readily react.1.1.2.5 Fire Attention 0014-4970i-SENSYS MF4150 / i-SENSYS MF4140 / i-SENSYS MF4120 /It is dangerous to throw the parts that include combustible materials such as lithium battery and toner cartridge etc., into fire. Any used battery must always bedisposed according to the appropriate local regulations.1.1.2.6 Points no Note when Replacing / Disposing the Lithium Battery 0014-4969i-SENSYS MF4150 / i-SENSYS MF4140 / i-SENSYS MF4120 /Replacing to wrong type of battery may cause explosion.Dispose used battery according to the instruction manual.[1]