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Thread: ΜΠ 2501

  1. #1
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    ΜΠ 2501

    In the first maintance of this machine i replaced opc , blade and developer but instand of executing 2 801 i executed 2 802. Ever since i couldn't fix the machine . Image at the center is not so vivd but acceptable but at the edges is light. Also dirty background.
    I have tried everything with no result. Cleaned optics, swaped a drum unit from an other machine, cleaned laser unit, separation roller with no results.
    During that period machine made more than 100k copies with poor image. I have replaced 3 times (3 maintence services) OPC ,blade and developer , executed sp 2 801 but the same problem . OPC, dev and toner are geniuin.
    I am sure that the problem is not at the drum unit or at the machine but some value somehow has changed .
    Any idea?

  2. #2
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    Re: ΜΠ 2501

    Please confirm machine model.

  3. #3
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    ΜΠ 2501

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    Re: ΜΠ 2501

    Quote Originally Posted by Gab View Post
    In the first maintance of this machine i replaced opc , blade and developer but instand of executing 2 801 i executed 2 802. Ever since i couldn't fix the machine . Image at the center is not so vivd but acceptable but at the edges is light. Also dirty background.
    I have tried everything with no result. Cleaned optics, swaped a drum unit from an other machine, cleaned laser unit, separation roller with no results.
    During that period machine made more than 100k copies with poor image. I have replaced 3 times (3 maintence services) OPC ,blade and developer , executed sp 2 801 but the same problem . OPC, dev and toner are geniuin.
    I am sure that the problem is not at the drum unit or at the machine but some value somehow has changed .
    Any idea?
    It's been 2 months since you posted THIS

    Maybe it's time to get some help from someone who knows what they're doing?
    And why have you started a new thread?!

  4. #4
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    Re: ΜΠ 2501

    Clean the surfaces of the polygon motor mirrors.

  5. #5
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    ΜΠ 2501

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    Re: ΜΠ 2501

    Quote Originally Posted by limo View Post
    Clean the surfaces of the polygon motor mirrors.
    Are you aware that all the mirrors inside a laser housing unit are first surface mirrors.

  6. #6
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    Re: ΜΠ 2501

    Quote Originally Posted by slimslob View Post
    Are you aware that all the mirrors inside a laser housing unit are first surface mirrors.
    MAchine is ΜΡ 2501 , Ι have cleaned laser unit and polygon mirror surfaces . As i have told you the problem started after first maintence . at that point image was not light but with dark lines because of the drum which i replaced. After maintence i have had those problems. So i don't think that laser is the problem. After all i have cleaned it with no result.
    I Repeat i believe the problem is at the machine perhaps when i first replaced developer and executed 2802 instead of 2801 somehow a value has changed.
    Now i have the same problem with an other mp2501 . Customer used compatible toner and machine splited toner. I replaced opc, blade and developer (all geniuin) executed 2801 and image is exactly as the first machine.
    Any idea?
    i.e. Because customer was absent all that time i lost interest for these machines but now.

  7. #7
    Senior Tech 100+ Posts
    ΜΠ 2501

    eccelobo's Avatar
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    Re: ΜΠ 2501

    Quote Originally Posted by Gab View Post
    MAchine is ΜΡ 2501 , Ι have cleaned laser unit and polygon mirror surfaces . As i have told you the problem started after first maintence . at that point image was not light but with dark lines because of the drum which i replaced. After maintence i have had those problems. So i don't think that laser is the problem. After all i have cleaned it with no result.
    I Repeat i believe the problem is at the machine perhaps when i first replaced developer and executed 2802 instead of 2801 somehow a value has changed.
    Now i have the same problem with an other mp2501 . Customer used compatible toner and machine splited toner. I replaced opc, blade and developer (all geniuin) executed 2801 and image is exactly as the first machine.
    Any idea?
    i.e. Because customer was absent all that time i lost interest for these machines but now.
    At the moment of adjustment, did you check the values for charge roller bias, development bias?
    Also, could you scan and post 5990-002?

    Enviado desde mi SM-G920V mediante Tapatalk

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