Line stroke width
0.25 point is the minimum recommended line stroke width when printing at Impact Digital.Transparencies
Adobe Illustrator and Adobe Indesign transparencies are a common problem in the whole ‘postscript’ world, and are best avoided. Either render your transparency into an image, or use the ‘Simulate Transparency’ option in Adobe Illustrator advanced print options.Images
Ensure all images are placed as CMYK and are at a minimum of 300 DPI at print size.Four colour black
For a solid black use this four colour black: 70C, 50M, 50Y, 100K.