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  1. #1
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    Color stripes and lines on MPC300

    Dear,

    We have problems on Ricoh MPC300/400 MFPs. We are getting stripes of all colors on prints.
    In attachment is scan of printed counter. This stripes appears on first 3-4 pages and then dissapear. This can happens once a day, then few days nothing, and again few times a day. At first opinion we thaugh that this is caused by cleaning unit on ITB, but it isn't
    We replaced: Laser unit, Bicu, ITB and Drum units.

    We have arround 50 machines at customers, and this happens at 10-15 machines.

    Sorry for my English...

    I hope, that someone has a solution for this problem.
    Attached Files Attached Files

  2. #2
    Senior Tech 100+ Posts
    Color stripes and lines on MPC300

    GIUBOSS's Avatar
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    Re: Color stripes and lines on MPC300

    replace the ITB cleaning unit : cod.M0263800

  3. #3
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    Re: Color stripes and lines on MPC300

    Quote Originally Posted by GIUBOSS View Post
    replace the ITB cleaning unit : cod.M0263800
    We replaced complete ITB unit with cleaning unit (used from other working machine) and in few days we get same stripes...

  4. #4
    Senior Tech 100+ Posts
    Color stripes and lines on MPC300

    GIUBOSS's Avatar
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    Re: Color stripes and lines on MPC300

    "in a few days ..." however it worked and we are talking about an old spare. If you take out the itb unit and it's dirty we have the same problem with that. But I don't think it's the MPC

  5. #5
    Service Manager 1,000+ Posts fshead's Avatar
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    Re: Color stripes and lines on MPC300

    1 ARE you swapping parts with old spares?
    2 ARE YOU USING KNOCKOFF TONERS?
    3 is the machine in a high heat or dusty environment.

    You got a lot of issues going on with your samples...
    I think you are probably using the cheapest toner you can get and it
    is something that you cant fix

  6. #6
    Retired 10,000+ Posts slimslob's Avatar
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    Re: Color stripes and lines on MPC300

    What I see in the sample is more a PCU background issue than an ITB cleaning issue. If it only happens early morning and you have high humidity in your area then I would say that you have a condensation problem. Otherwise you have a charging problem. If the PCUs are at or beyond PM count you will have to replace them. If you have used non Genuine Ricoh toners they can cut the PM life in half.

  7. #7
    Senior Tech 1,000+ Posts
    Color stripes and lines on MPC300

    mikadonovan's Avatar
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    Re: Color stripes and lines on MPC300

    Honestly, it kind of looks like there is a big piece of torn paper floating around inside the ITB cleaning unit.
    NEVER ASSUME ANYTHING

  8. #8
    Field Supervisor 500+ Posts
    Color stripes and lines on MPC300


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    Re: Color stripes and lines on MPC300

    Quote Originally Posted by mikadonovan View Post
    Honestly, it kind of looks like there is a big piece of torn paper floating around inside the ITB cleaning unit.
    Yes I agree, ITB cleaning problem. Put a new cleaning unit in it as well as a new waste toner container and if the problem comes back, I'd be looking to see if something is preventing the cleaning blade from fully engaging.

  9. #9
    Retired 10,000+ Posts slimslob's Avatar
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    Re: Color stripes and lines on MPC300

    Quote Originally Posted by mikadonovan View Post
    Honestly, it kind of looks like there is a big piece of torn paper floating around inside the ITB cleaning unit.
    Quote Originally Posted by anothertech View Post
    Yes I agree, ITB cleaning problem. Put a new cleaning unit in it as well as a new waste toner container and if the problem comes back, I'd be looking to see if something is preventing the cleaning blade from fully engaging.
    He says he has already replaced the entire ITB assembly including the cleaning unit.

  10. #10
    Field Supervisor 500+ Posts
    Color stripes and lines on MPC300


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    Re: Color stripes and lines on MPC300

    Quote Originally Posted by slimslob View Post
    He says he has already replaced the entire ITB assembly including the cleaning unit.
    He replaced it with a used unit, I want him to put in a new unit, also waste toner unit in case it is full but not indicating full. Then look to make sure blade is engaging fully, then make sure auger is turning in ITB cleaning unit.

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