VIEWSONIC Projector PJ250 - Manual (Page 17)

15 ViewSonic PJ250
4 Remove the lamp cartridge.
(1) Turn the 2 screws that fasten the lamp cartridge
counterclockwise until they turn freely. (The screws
will not come out.)
(2) Grasp the handle of the lamp cartridge, pull it upward
and remove the lamp cartridge.
5 Install the new lamp cartridge.
(1) Slowly push in the lamp cartridge with the socket facing forward. (Align the lamp cartridge
screw with the screw hole of the projector.)
(2) Turn the 2 screws of the lamp cartridge clock-wise to tighten.
6 Install the lamp cover.
(1) First insert the front edge of the lamp cover into the groove, then close the lamp cover.
(2) Turn the screw of the lamp cover clockwise to tighten.
7 Reset the lamp timer to zero.
Plug in the power cable and switch on the power before resetting.
Select [Info.]
→[Lamp Timer Reset] and then reset the hours indication.