Windows 7 x64
PB 12.5 Classic
Ghostscript 9.07 (both x32 and x64 are installed)
HP Laserjet PS printer installed as
I think I had the same problem. The problem is in the version of the Ghostscript software:
http://ghostscript.com/pipermail/gs-bugs/2012-July/026615.html
You should uninstall the Ghostscript and reinstall this version: Ghostscript 8.71. You can download it from here:
http://sourceforge.net/projects/ghostscript/files/GPL%20Ghostscript/8.71/ http://sourceforge.net/projects/ghostscript/files/GPL%20Ghostscript/8.71/gs871w64.exe/download
After this it should work :)
Good luck!
Br. Gábor