1. Precautions1.2. Caution for safety1.2.1. Toxic materialThis product contains toxic materials that could cause illness if ingested.1) Please keep imaging unit and toner cartridge away from children. The toner powder contained in the imaging unit andtoner cartridge may be harmful, and if swallowed, you should contact a doctor.1.2.2. Electric shock and fire safety precautionsFailure to follow the following instructions could cause electric shock or potentially cause a fire.1) Use only the correct voltage, failure to do so could damage the product and potentially cause a fire or electric shock.2) Use only the power cable supplied with the product. Use of an incorrectly specified cable could cause the cable tooverheat and potentially cause a fire.3) Do not overload the power socket, this could lead to overheating of the cables inside the wall and could lead to a fire.4) Do not allow water or other liquids to spill into the product, this can cause electric shock. Do not allow paper clips, pinsor other foreign objects to fall into the product, these could cause a short circuit leading to an electric shock or fire hazard.5) Never touch the plugs on either end of the power cable with wet hands, this can cause electric shock. When servicingthe product, remove the power plug from the wall socket.6) Use caution when inserting or removing the power cord. When removing the power cord, grip it firmly and pull. Thepower cord must be inserted completely, otherwise a poor contact could cause overheating leading to a fire.7) Take care of the power cable. Do not allow it to become twisted, bent sharply around corners or power cable may bedamaged. Do not place objects on top of the power cable. If the power cable is damaged it could overheat and cause afire. Exposed cables could cause an electric shock. Replace the damaged power cable immediately, do not reuse orrepair the damaged cable. Some chemicals can attack the coating on the power cable, weakening the cover or exposingcables causing fire and shock risks.8) Ensure that the power sockets and plugs are not cracked or broken in any way. Any such defects should be repairedimmediately. Take care not to cut or damage the power cable or plugs when moving the machine.9) Use caution during thunder or lightning storms. Samsung recommends that this machine be disconnected from thepower source when such weather conditions are expected. Do not touch the machine or the power cord if it is stillconnected to the wall socket in these weather conditions.10) Avoid damp or dusty areas, install the product in a clean well ventilated location. Do not position the machine near ahumidifier or in front of an air conditioner. Moisture and dust built up inside the machine can lead to overheating andcause a fire or cause parts to rust.11) Do not position the product in direct sunlight. This will cause the temperature inside the product to rise possibly leadingto the product failing to work properly and in extreme conditions could lead to a fire.12) Do not insert any metal objects into the machine through the ventilator fan or other part of the casing, it could makecontact with a high voltage conductor inside the machine and cause an electric shock.13) When replacing the SMPS board, please wait 5 minutes after unplugging the power cord, then replace it. Youcan get a shock by the electric discharge.1-2 Copyright© 1995-2012 SAMSUNG. All rights reserved.