InDesignSecrets » Blog Archive » Eliminating the White Box Effect.
This has been an ongoing problem ever since we started using InDesign: drop shadows that look fine on the screen but which develop a white box in back of them when output. As you can see it is an easy solution, use either overprinting or CMYK. Who’d've thunk it?
[...] See a strange post here: Printing transparency: Eliminating a White Box Effect | The … [...]
…and why do you think it is strange? it’s just a link to a good solution to the problem.