Using this EIKI projector lamp is easy. First, make sure the projector is turned off and cooled down. Open the lamp compartment of your projector and carefully remove the old lamp. Then, take the new lamp from its original box and install it in the compartment. Close the compartment securely. When using, avoid touching the lamp with bare hands as it may cause damage. Keep the projector in a well - ventilated area to prevent overheating. For maintenance, regularly clean the projector's air filters to ensure good performance. If you notice any issues with the projection quality or the lamp doesn't light up, consult the projector's manual or contact customer support.