Pdf X1a Photoshop. Pdf x 1a files can t include interactive items such as video audio non printable annotations markup etc. Cmyk values are preserved.
The document you are saving has type layers that use one or more of the following fonts. Unfortunately this also means that it is very easy to create pdf files that are completely useless in a prepress environment. This pdf x preset is similar to pdf x 1a except that it also supports embedded rgb profiles and color management.
The solution that worked for me was to open the png in photoshop where it looked fine convert the color mode to cmyk and then to save it as a pdf in photoshop.
This ensures proper sizes during production. Aprenda como preparar o seu arquivo para gráfica no photoshop salvando em pdf x1a no photoshop. Cmyk values are preserved. Image resolution settings are the same as the press quality preset.