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  1. #1
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    Ricoh MPC8002 random toner spots

    Hi all,

    During printing in which cyan or magenta are used there are a few tiny toner spots all over the paper even in the margin area.

    File 4-15-17, 6 37 45 PM.jpgFile 4-15-17, 6 38 01 PM.jpg


  2. #2
    Senior Tech 100+ Posts gkalman2004's Avatar
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    Re: Ricoh MPC8002 random toner spots


  3. #3
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    Re: Ricoh MPC8002 random toner spots

    Quote Originally Posted by gkalman2004 View Post
    H!

    From where I can download the MPC8002 latest firmware?


  4. #4
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    Re: Ricoh MPC8002 random toner spots

    Quote Originally Posted by nysamara View Post
    H!

    From where I can download the MPC8002 latest firmware?
    developer


  5. #5
    Senior Tech 100+ Posts gkalman2004's Avatar
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    Re: Ricoh MPC8002 random toner spots

    8002firmware.pdf
    Quote Originally Posted by nysamara View Post
    H!

    From where I can download the MPC8002 latest firmware?



  6. #6
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    Re: Ricoh MPC8002 random toner spots

    Hi all,

    I did all the updates to the machine and verified the drum and developer units... there is no mess of toner...
    But I still have toner scattering during printing.

    I did a TD sensor init without changing the developer a few weeks ago... I'm not sure if that is the problem.
    Now if I go to the Vtcnt the values of C and M are higher than the values of K and Y
    same for the values of Vtref


  7. #7
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    Re: Ricoh MPC8002 random toner spots

    Update!

    I did a SP3030 just for C and M and I reduced significantly the scattering...

    Any feedback?


  8. #8
    Senior Tech 100+ Posts gkalman2004's Avatar
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    Re: Ricoh MPC8002 random toner spots

    Hi you must read the service manual to calibrate the density of the developer (you have old developer and you make td init)
    from chapter 4.12.3 REMOVING OLD DEVELOPER


  9. #9
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    Re: Ricoh MPC8002 random toner spots

    Quote Originally Posted by gkalman2004 View Post
    Hi you must read the service manual to calibrate the density of the developer (you have old developer and you make td init)
    from chapter 4.12.3 REMOVING OLD DEVELOPER
    but that will just help me to reduce the amount of toner in the unit but there
    Is no instruction of how to calibrate it. I currently have a density within spec.


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