What type of file format do you require?
Typically a high-resolution PDF file is sufficient. However, if adjustments are required we will need native files with all support files (fonts, graphics)
When should I use Rich Black and when should I use 100% K?
Rich black is best suited for backgrounds and blocks of color. When you are setting type it is best to use 100% K.
How do I supply a file for white ink printing?