PrecautionsSamsung ElectronicsService Manual 1-1111. PrecautionsThe cautions below are items needed to keep in mind when maintaining and servicing.Please read carefully and keep the contents in mind to prevent accidents while servicing and to prevent themachine from getting damaged.1.1 Safety Warning(1) Request service by qualified service person.Service for this machine must be performed by a Qualified service person. It is dangerous if unqualified ser-vice personnel or users try to fix the machine.(2) Do not rebuild.Do not attach or change parts discretionary. Do not dissemble, fix of rebuilt it. If so, printer will abnormallywork and electric shock or fire may occur.(3) Laser Safety StatementThe Printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR, chapter 1 Subchapter Jfor Class 1(1) laser products, and elsewhere, is certified as a Class I laser product conforming to therequirements of IEC 825.Class I laser products are not considered to be hazardous. The laser system and printer are designed sothere is never any human access to laser radiation above a Class I level during normal operation, usermaintenance, or prescribed service condition.Warning >> Never operate or service the printer with the protective cover removed from Laser/Scanner assembly. The reflectedbeam, although invisible, can damage your eyes. When using this product, these basic safety precautions shouldalways be followed to reduce risk of fire, electric shock, and injury to persons.