C 650

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  • kesserling

    #1

    C 650

    I have a c650 with 450 000 copy the copyer ask me change the image transfert the second transfert
    ok i changed it
    the quality in the black is very bad i decide to change the image unit black
    after i have a code p5 and p9
    i clean all the connector and now i have any code its ok
    but when i do the gradation adjust the black square are very black and when i do a half tone pattern all the color are good but the black is very grey and not black as before
    tahnks for any ideas
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