[. . . ] Before replacing the lamp, read the Operating Instructions of the projector and make sure that this lamp can be used for your projector. [. . . ] Please do the following operations after replacing the lamp with a new one. if you don't so , the message "Please replace the Lamp/Filter. The following menu 2 Turn on the projector, then select Setup appears. This projector's lamp contains mercury and should be disposed of properly. The material contained in this lamp are similar to those of a fluorescent lamp, so you should dispose of it in the same way. Disposal of this product may be regulated if sold in the United States. [. . . ] Printed on 70% or more recycled paper using VOC (Volatile Organic Compound)-free vegetable oil based ink. [. . . ]