Using RGB images can cause the final output of your job to print in Greyscale or even looking very washed out due to Rip software misunderstanding it and trying to convert them to CMYK. Below we explain how to save your images correctly.
At some stage of artwork creation any RGB images must be converted to CMYK. As an industry standard application this is usually done in Photoshop. It is always best to save the file as a .eps or .tiff, with no halftones, LZW compression, ASCII or JPEG encoding selected in the saving options. If possible, files must be saved at a minimum of 300dpi at 100% of the size they are being used for.
For images in B&W, Greyscale mode is sufficient and a tiff or JPEG file is acceptable if the quality is high. Files must be saved at a minimum of 300dpi at 100% of the size they are being used for. All DCS files, LAB colour and Duotones must be converted to CMYK before saving unless the Duotone is for a spot colour job. It’s also advisable to keep an original copy to revert back to at any time.
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