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  1. #1
    Field Supervisor 500+ Posts digicor's Avatar
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    mpc 5502 double imaging

    I have replaced the k drum several times, the double imaging is in the k drum,, fuser is near new, and i know what that looks like.. lol
    if i have the client print in color it does not do it EVER at all
    it obvious it the k drum unit the double imaged text is the same diameter as the a drum.. and i replace it,, it goes away for a week or two then comes back, ive cleaned the charge roller, connections etc..
    has some one had this problem? its the only one i have thats doing it...cant figure it out...any clues? thanks

  2. #2
    Major Asshole! 2,500+ Posts
    mpc 5502 double imaging

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    Re: mpc 5502 double imaging

    If it doesn't do it in color, then it most likely is not a mechanical problem - I'd wager on some adjustment that applies only to K prints.

    Try to back up the NVRAM, clear the engine settings and try it out for a while to see if it still happens before restoring the backup.
    ' "But the salesman said . . ." The salesman's an asshole!'
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  3. #3
    Retired 10,000+ Posts slimslob's Avatar
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    Re: mpc 5502 double imaging

    Try making the adjustments in the attached. It will slightly reduce toner concentration in the developer thereby putting slightly less toner on the drum and compensates by pulling more of the toner from the drum to the ITB. Service Program (SP) Settings.pdf

  4. #4
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    Re: mpc 5502 double imaging

    Quote Originally Posted by slimslob View Post
    Try making the adjustments in the attached. It will slightly reduce toner concentration in the developer thereby putting slightly less toner on the drum and compensates by pulling more of the toner from the drum to the ITB. Service Program (SP) Settings.pdf
    Did you replace all PCU PM parts or just the drum.

  5. #5
    Service Manager 2,500+ Posts
    mpc 5502 double imaging

    copier tech's Avatar
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    Re: mpc 5502 double imaging

    Quote Originally Posted by digicor View Post
    I have replaced the k drum several times, the double imaging is in the k drum,, fuser is near new, and i know what that looks like.. lol
    if i have the client print in color it does not do it EVER at all
    it obvious it the k drum unit the double imaged text is the same diameter as the a drum.. and i replace it,, it goes away for a week or two then comes back, ive cleaned the charge roller, connections etc..
    has some one had this problem? its the only one i have thats doing it...cant figure it out...any clues? thanks
    Are you using the correct PCU (Genuine Ricoh) & Genuine toner?

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

    www.copierfirmware.co.uk

  6. #6
    Field Supervisor 500+ Posts digicor's Avatar
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    Re: mpc 5502 double imaging

    Quote Originally Posted by davel View Post
    Did you replace all PCU PM parts or just the drum.
    yes whole PCU three times from other good working machines

  7. #7
    Field Supervisor 500+ Posts digicor's Avatar
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    Re: mpc 5502 double imaging

    Quote Originally Posted by copier tech View Post
    Are you using the correct PCU (Genuine Ricoh) & Genuine toner?

    Yes always

  8. #8
    Service Manager 2,500+ Posts
    mpc 5502 double imaging

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    Re: mpc 5502 double imaging

    Quote Originally Posted by digicor View Post
    yes whole PCU three times from other good working machines
    There is your answer. Fit a new PCU.
    Let us eat, drink, and be merry, because tomorrow we may die!

    www.copierfirmware.co.uk

  9. #9
    Ricoh Fanboy 1,000+ Posts Oze's Avatar
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    Re: mpc 5502 double imaging

    Quote Originally Posted by copier tech View Post
    There is your answer. Fit a new PCU.
    +1...time to stop trying to save a quid on an account
    Also print out the non default settings to see if anybody has dicked about with settings related to the K pcdu.

  10. #10
    Retired 10,000+ Posts slimslob's Avatar
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    Re: mpc 5502 double imaging

    Quote Originally Posted by Oze View Post
    +1...time to stop trying to save a quid on an account
    Also print out the non default settings to see if anybody has dicked about with settings related to the K pcdu.
    PCU offsetting is often caused by too much toner being applied to the drum to the point that the cleaning blade cannot keep up. Frequently it is caused by the developer being slightly over toned. When you swap a PCU or even a PCDU you don't do anything to change what ever is causing the over toning.

    I had a customer one time called that they were getting red spots. When I got to their location they were trying to print brochure for their gun club. The front page had a picture of a hunter on a hillside wearing a bright red cap. The color of the cap was being offset four to six more time down an 11X17 sheet. Making the adjustments in the document I posted earlier cleared the problem.

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