Question about Optoma EP719 XGA DLP PROJECTOR 2000L 2500:1 CONT DVI-D WITH HDCP Multimedia Projector
I had the dame problem after disassembly to clean with air. I gave it a little tap on top of unit on the side opposite to the Lens and the lines disapeared. Don't know why. I reassembled the cover and it work fine now. I am not touching it since and it works fine now.
Posted on Jul 18, 2013
This is unfortunately a sign of Mainbaord damage to any make of Projector.
But do give this a go , you've got nothing to lose.
Try using a different signal cable and then pressing Auto on either the remote of the Projector or the Projector it self once the line appears.
Thanks for using Fixya !
Posted on May 23, 2008
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Posted on Jan 02, 2017
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My EP719 had the same problem. Did it once, briefly, soon after I bought it, then not again until recently, when the line came back more frequently and wider.
The projector was 20 days past warranty, and the company would not honor. So much for customer satisfaction and loyalty. Last piece of Optoma equipment I will ever buy!
Anyway, I found a web item on another model of Optoma projector with the same problem. The solution this guy tried was -- I kid you not -- rapping on the thing. With nothing to lose, I tried this on mine. Tapped lightly on the top and noticed a change in the width of the line. Hmmm ... it was sensitive to this.
Tapped harder. The line got narrower. Rapped pretty hard -- thump! -- and the line disappeared.
Since then I have been running the projector for hours, turning it on and off, letting it cool down, starting it up again. And the line seems to be gone. It may come back, of course, so this gonzo fix may not be permament. But if it works while I'm using it at a presentation, think of the amusement it will cause!
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