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  1. #11
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    C364 not printing black

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    Re: C364 not printing black

    Quote Originally Posted by Chris@paloffice.com View Post
    I have a c364 that refuses to print in black. Internals, customer network, faxes. All blank. Printing a demo page... the colors are beautiful but the blacks are just missing. Drums turning but no image is being laid down. I had a C203 do the exact same thing about 5-7 years ago but don't remember my solution. I'm going to try firmware but I was looking for other areas to look at while I'm on site. I appreciate your help!
    Now you've been given help, any update on you one & only ever post?

    Let us eat, drink, and be merry, because tomorrow we may die!

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  2. #12
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    Re: C364 not printing black

    Quote Originally Posted by tsbservice View Post
    If anything mentioned fails I would be looking at black developer unit solenoid SD4 (A161M20300 Flapper solenoid).
    Agree!
    Solenoid which releases and stop black dev clutch would be my first suspect on a high meter machine (or old one).
    C364 is 7 years old at least.
    Open PWB box and take out the solenoid.
    Remove old sponge (od what is left of) and glue a thin layer of cardboard.

    Better than new!

  3. #13
    Trusted Tech 50+ Posts TEST10's Avatar
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    Exclamation Re: C364 not printing black

    Quote Originally Posted by tsbservice View Post
    If anything mentioned fails I would be looking at black developer unit solenoid SD4 (A161M20300 Flapper solenoid).

    Could you please explain to me what function this solenoid has, because when I disconnect it I recover the black printing!

  4. #14
    Trusted Tech 50+ Posts TEST10's Avatar
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    Exclamation Re: C364 not printing black

    • Quote Originally Posted by REGSIS View Post
      ¡De acuerdo!
    Quote Originally Posted by REGSIS View Post
    El solenoide que libera y detiene el embrague de desarrollo negro sería mi primer sospechoso en una máquina de medidor alto (o una vieja).
    C364 tiene al menos 7 años.
    Abra la caja PWB y saque el solenoide.
    Retire la esponja vieja (o lo que quede) y pegue una fina capa de cartón.

    ¡Mejor que nuevo!

    Under what circumstances should the unit brake, what is its function?

  5. #15
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    Re: C364 not printing black

    Quote Originally Posted by TEST10 View Post
    [LIST][*]


    Under what circumstances should the unit brake, what is its function?
    Its function is to release and stop rotation of developing unit at specific time.
    Sponge on solenoid acts as isolator, if it's worn timing is wrong.
    Nothing is broken, solenoid works, all you have to do is to repair the isolator (sponge) with a piece of cardboard.
    Or buy a new part but it will last only 5-7 years.

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