We have this same problem when we use our Vector Works drawing program; we use the DIN font which is a postscript Type 1 font. Then, when we export the file as a pdf, the font does not display in Acrobat 10.1.13; when you open the file, you get this message: "Cannot extract the embedded font 'ZUJFJJ + DIN_Regular'. Some characters may not display or print correctly". and there is no text visible (other fonts or parts of the lay-out do show, though).
- so, it seems to occur only with DIN fonts
- the problem doesn't occur in version 10.1.12, only in 10.1.13
- and it also doesn't when we use DIN truetype font
I see various posts on forums concerning this problem, and i assume that these problems occur with different programs that generate pdf's. Using truetype seems to be a solution, but then we need to substitute all our texts in older documents with the truetype font.
So: should we change our font sets from postscript type 1 to truetype?