ViewSonic PJ551D-2 User Manual page 26

1. Turn off the projector.
2. If the projector is installed in a ceiling mount, remove it from the mount.
3. Unplug the power cord.
4. Loosen the screw in the side of the lamp cover and remove the cover.
5. Remove the screws from the lamp module, raise the handle, and lift out the
module.
6. Insert the new lamp module into the projector and tighten the screws.
7. Replace the lamp cover and tighten the screw.
8. Turn on the projector. If the lamp does not turn on after the warm-up period, try
reinstalling the lamp.
9. Reset the lamp hour. Refer to the "Setting" menu.
Dispose of the used lamp according to local regulations.
Ensure that screws are tightened properly. Screws not tightened fully may
result in injury or accidents.
Since the lamp is made of glass, do not drop the unit and do not scratch the
glass.
Do not reuse the old lamp. This could cause the lamp to explode.
Be sure to turn off the projector and unplug the AC power cord before
replacing the lamp.
Do not use the projector with the lamp cover removed.
ViewSonic 20 PJ551D