Question about 3M MP 8640 Multimedia Projector
There are purple specks that show up on the screen that appear to be dust but I opened the unit and have no idea how to clean it.
Hi. I have the same problem. I `ve cleanned the lens and the lamp, but the problem still. I think is oxide on the lamp. It needs to be replaced.
Posted on Nov 29, 2009
Is there a guide for how to do this?
Posted on Jun 13, 2008
HAD THE SAME PROB, YOU HAVE TO DISASSEMBLE AND CLEAN THE LENS ASSEMBLY
Posted on Nov 26, 2007
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