Not a whole lot to cheer about here, as black level performance is rather basic. On the other hand, it should be fine when this projector is set up in the type of room, with ambient light present, that it is best suited for. While we'd like to see every projector that goes into the home have great (or at least very good) black level performance, from a practical standpoint one has to consider the situation, and the content.
Again, this is no home theater projector. No matter what you would do - eco mode, plus least bright mode, in a fully darkened room such as a home theater, this projector would just be too bright for most folks. Even on my 124" screen (1.3 gain), I run eco mode, and with all lights off it is a little too bright for my taste, and I'm one of those that really likes bright. As a result, in the dozens of hours of viewing, it wasn't too often that I didn't have at least some rear lighting turned on.
In a media room or living room where room surfaces are often light colored, and where real darkness may never be achievable due to windows without black out shades, or other reasons, that's a room where the G6900 WU projector would thrive. And thrive it can, on screens up to, or even larger than 150" diagonal, if you have any kind of lighting control. 200" diagonal certainly is doable!
So, back to the blacks. Epson claims a 5000:1 contrast ratio. That's in conjunction with it's dynamic iris. All and all, that means we have a projector just a little better than typical business projector black level performance. Of course, if you've got any ambient light at all, it's going to make huge differences in black levels seem like minor ones, as all the darker areas get washed out a good bit but he ambient light (even small amounts).
Those of you who do want to, and can, fully darken your room, to watch a movie, who are hoping that the black level performance is something akin to Epson's famous UB projectors like the 5030UB and 6030UB, will be disappointed. Rather, expect blacks to be rather entry level, something along the lines of Epson's 2030 and 3020 projectors. Or perhaps a DLP projector without an iris, such as the BenQ W1070, all under $2000 projectors.
All's fair, considering that this was first, and foremost built as a large venue commercial projector. I'll discuss more about the practical side of this Epson projector's black levels on the next page, under Overall Picture Quality.
The gallery here shows you a couple of images that we normally use to demonstrate black level performance.