Make certain you have read the ViewSonic PJ755D DLP PROJECOR XGA 400:1 manual thoroughly before attempting the ViewSonic PJ755D DLP PROJECOR XGA 400:1 bulb replacement on your ViewSonic PJ755D DLP PROJECOR XGA 400:1. Without touching the surface of the ViewSonic PJ755D DLP PROJECOR XGA 400:1 lens, remove the lens tube and set it aside. Write down the number from inside the tube's inner lip for the purpose of make, model or serial number for any future need to buy ViewSonic PJ755D DLP PROJECOR XGA 400:1 replacement parts. Your bulb should be sitting just beyond the opening of the ViewSonic PJ755D DLP PROJECOR XGA 400:1 body. Reach in with two fingers and disconnect the ViewSonic PJ755D DLP PROJECOR XGA 400:1 bulb. Reverse these steps to re-assemble your ViewSonic PJ755D DLP PROJECOR XGA 400:1. This concludes the ViewSonic PJ755D DLP PROJECOR XGA 400:1 review - be sure to read the entire ViewSonic PJ755D DLP PROJECOR XGA 400:1 manual.