How to reuse the housing of projector lamp on BENQ 5J J0705 001

1510x original projector lamp bulb with housing replacement for dell 1510x founded in july 2012, double lighten technology inc. Hold the lamp by its handle and gently pull it out of the projector. Push in the lamp firmly and tighten the screws to secure it. Use the screwdriver included with the replacement lamp to loosen the screws securing the lamp cover, and then remove the lamp cover.