Will I must recalibrate just about anything following I replace my initial bulb? Questioned by Dave P. On Aug 15, 2019 You do not have to recalibrate your unit after you replace the bulb. An acquaintance was provided a rear projection 1080p Tv set with a lifeless bulb. IIRC it’s https://stephencmxgr.sharebyblog.com/36545593/the-basic-principles-of-epson-projector-bulb-elplp96