Take this message to explain the error in the transparency of PNG.
This bug is crawling from the first version of MsAccess PNG transparencies disappear when sent to the printer, if anyone solved this problem please tell him that I do or how to solve it, probe with Msacccess 2013 and continues the bug ... today is 01/16/2016 ....
Leo Poster and websites, observed in the examples that come out and check on my little exercises, which is possible in the new Access 2010 version include pictures in various supported formats (.jpg .png .gif etc, etc) in forms and reports, including transparencies, which gives the desired effect of the fund.
Incompatibility, at least as I understand or rather, so I can think, occurs when the printer send these objects ready, either a form, unusual to, or report with data and images of Use current.
* In the latter case (Report), with acPreview view, both .png images as transparent in whole or in part .gif, and it ceases to be in place, which should allow the view of the background, becomes opaque, cease to provide the desired effect and we see in the forms.
(Get tested with two superimposed images and the above allows to see the bottom, or bottom) ... Forms: perfect, given report, perfect ... but in pdf or printed, opaque.
And I say if Microsoft has been striving to introduce a new version, Access 2010, which supports these image formats ...
Do not you will allow if you want to see in print or preview these slides? ...
Is it a bug still unresolved? ...
MS Did you know? ..
Will solution and is working on it? ...
Will we have to engineer it and get other solutions? ... Or at worst, this is what is now or is that I am more awkward than I thought and did not do it ... lol ..
Use validated original version of Access 2013
esto lo he posteado en diversas paginas, blogs y demas y aun no he conseguido respuesta satisfactoria... y son varios años en espera de la solucion....

Thanks for your time.