Requirement :
PDF files should be Acrobat 3.0 compatible; Composite PDF, CMYK colour space; contain one page per PDF document; Colour bitmap images, CMYK – effective resolution 300 dpi; Greyscale bitmap images – effective resolution 300dpi; Monochrome bitmap images (linework) – effective resolution 1200 dpi; 3mm bleed should be included on all sides where necessary; Crop marks should be included and offset by 10pt.
