Will I really have to recalibrate something immediately after I replace my first bulb? Requested by Dave P. On Aug fifteen, 2019 You don't have to recalibrate your system When you replace the bulb. With Native WXGA resolution, the projection graphic is suitable and distinct more than enough for day https://epson-projector-bulb-near99900.thelateblog.com/37186367/bulb-life-epson-projector-an-overview