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  1. #1
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    Ricoh colour proc 651 line problem

    Hi to everyone,i have a problem with a ricoh pro c651 copier and i want some help please..i have a horizontal white line on my colour copies(at the same exactly place) but not on the black and whites.Yellow,magenta,cyan has the same white line,the black is ok.


  2. #2
    Field Supervisor 5,000+ Posts slimslob's Avatar
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    Re: Ricoh colour proc 651 line problem

    What, if anything have you tried?


  3. #3
    Technician floody's Avatar
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    Re: Ricoh colour proc 651 line problem

    do a sky shot in single colour to see which colour you have an issue with


  4. #4
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    Re: Ricoh colour proc 651 line problem

    Post examples of each individual color.

    ' "But the salesman said . . ." The salesman's an asshole!'
    Mascan42

    'You will always find some Eskimo ready to instruct the Congolese on how to cope with heat waves.'

    Ibid

  5. #5
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    Re: Ricoh colour proc 651 line problem

    Quote Originally Posted by mrwho View Post
    Post examples of each individual color.
    Thank you all for your replies..as you see i attach a file that has all the indivisual color(cyan-magenta-yellow-black)as i show with the arrow all colours copies except black has the same line at the same position.thanks33333.pdf


  6. #6
    Technician floody's Avatar
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    Re: Ricoh colour proc 651 line problem

    looks like your optic mirrors are dirty on the scanner, have you tried printing in colour? print out colour test page in service


  7. #7
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    Smile Re: Ricoh colour proc 651 line problem

    Quote Originally Posted by floody View Post
    looks like your optic mirrors are dirty on the scanner, have you tried printing in colour? print out colour test page in service
    yes i scanned these copies at an old mashine


  8. #8
    Technician floody's Avatar
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    Re: Ricoh colour proc 651 line problem

    well looks like your black PCU or dev unit is your issue, split the drum and dev and inspect them check for where and tear or damage


  9. #9
    Field Supervisor 5,000+ Posts slimslob's Avatar
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    Re: Ricoh colour proc 651 line problem

    Since the line is in cyan and magenta and not in yellow and black, my guess is the laser unit. There are two separate polygon mirrors on the polygon motor assembly. One is for black and yellow and the other is for cyan and magenta.


  10. #10
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    Re: Ricoh colour proc 651 line problem

    "One is for black and yellow and the other is for cyan and magenta."

    Y is on the left and K is on the right. Large laserunit.

    Make an image on the itb and check if you can see the line. Looks to me like a line from the ptr unit. Black doesn't look good also.


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