Whitish halo in background colour when overprinting balck text

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  • Capodastra
    Technician

    50+ Posts
    • May 2012
    • 58

    #1

    Whitish halo in background colour when overprinting balck text

    Can anyone give me any pointers with this please?

    I am on a Mac running OS 10.6.8 with Fiery Command Workstation 5.

    I have created the postscript file from INDesign CS 5.5 and when I set it to print in Command Workstation I tell the black overprint to be PURE BLACK ON, yet no matter what combination I use there is no difference.

    Soooooo is the machine not up to it? It's a Bizhib C451.

    If anyone can help I would be so grateful 'cos this is driving me bonkers!

    Thanks in hope.

    Barney

    see scan for close up view:

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