43ENGLISHLamp unit replacement stepsCaution• After 2000 hours of operating the same lamp, it is only possible to operate the unit for approximately 10minutes. Replace the lamp and steps 8 to 14 must be completed within 10 minutes:1. Turn the power off by following the steps on page 23, remove the power plug andconfirm that the surroundings of the lamp unit have cooled off.2. Using a Philips screwdriver, remove the4 screws on the lamp unit cover locatedon the rear of the projector.3. Remove the lamp unit cover by pulling itforward.4. Use a Phillips screwdriver to loosen thetwo lamp unit fixing screws until thescrews turn freely. Then hold the handleof the lamp unit and gently pull it out fromthe projector.CautionThe lamp unit will be hot after it has beenused.You might get burned if you touch it while it is still hot.5. Install the new lamp unit.7. Install the lamp unit cover, and then usea Phillips screwdriver to securely tightenthe lamp unit cover fixing 4 screws.Caution• Firmly install the lamp unit and lamp unit cover.If not installed firmly, a protection circuit willfunction and the power will not be turned on.Lamp unit coverFixing screwsTabLamp unit 1Fixing screwsLamp unit 2Fixing screwsLamp unit 1 Lamp unit 2HandlePUSHOPENFixing screwsTabLamp unit cover6.Use a Phillips screwdriver to securely tighten the 2 lamp unit fixing screws.Caution• Be careful not to break the tab located in thecentre of the lower side of the lamp unit cover.