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• • December 11, 2011 at 10:12 am #61246
    Mellish

    Member

    Hi,

    My printer's 'ripped' proofs have blurs around the text – even on the paper areas there are 'swirls' of darker colour around the text. Where text is on backgrounds, the background also has swirls. Light-coloured text has blotches within the text. I used the Pre-Press Adobe default output and the PDFs I create, the text looks fine. The printers 'ripped' proofs though look awful. Does anyone know what to do (other than change printers – as it's too late)? Do I need to try a flattened export?

  • December 12, 2011 at 3:33 am #61247
    Tim Hughes

    Member

    Yes try a pdf-x output, 1a will flatten the transparency. It does sound like there are issues with the rip not handling the transparency well. A flattened output should handle this better, also check you have got any text above any transparency, using layers.

  • December 12, 2011 at 7:08 am #61248
    Colin Flashman

    Member

    if the printer's RIPped proof is produced from a RIP such as AGFA printdrive, then the reason that there are blurs is that the RIP has created rendred files which have the halftone patterns in them. When a rendered proof runs through an inkjet plotter, the halftone pattern can appear deceiving and almost like a moire, so to get around this a slight descreen and blur is put on by the proofing software to remove this pattern and makes the proof look more the printed product… in terms of colour. Yes, a side effect is that sharp vectors become slightly blurred.

    If you still have doubts, ask your printer how their RIP generated the proof.

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