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  • Noritsu QSS 3211 Emulsion Print...No Blacks...

    Our control strips have been coming out weaker and weaker over these past few days. This morning when doing the daily setup this was our control print. No blacks at all. We have checked the pumps and the filters are clean. We've tried dumping the chemicals and boosting our CD, but we still can't get those blacks. Is it possible the chemical is contaminated? Thank you for your help.

    -Metro Photo

  • #2
    It's definitely a chemistry problem. Make a fresh tank mix of CD following the mixing instructions to make tank solution (extra water and Paper CD starter)
    Check the float switch in the CD tank is clean and free to move.

    Maybe wash out the CD replenisher tank as well just in case the wrong chemistry has been put in there by mistake.