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  1. #1
    Junior Member
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    Unhappy Ricoh Aficio MP 9000

    i am facing problem in Aficio MP9000
    after 120000 copies Image becomes light, image gets light like very less toner in developer. When we recover the Toner by "Toner Supply"(forced Toner Supply), machine gets normal but after 1000 copies it
    gets light again.i try switch the machine from Sensor Control to Image Pixel Count Mode, machine performs normal about 7000 copies. After that it gets light again.
    I observe that the hardware (Toner Supply Motor Clutch) is operating normally more over i have updated the Engine Firmware with the latest available
    (3.22.1:16)

    But still the problem remains same

    then when i replaced the DEVELOPER & TD SENSOR machine perfumed normal for approx another 100K to 120K copies, after that image get lighter again

    looking for solution


  2. #2
    Senior Tech 100+ Posts RebelPhoenix's Avatar
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    Hello Dear,

    Do you test the Toner Bank Setup ? If this process is Failed. You must clean the Toner collection tube. If This process is Complete. It's time your machine get the toner at toner bank.


  3. #3
    It's not easy being green 1,000+ Posts Cipher's Avatar
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    I would try adjusting the toner supply rate SP2209.


  4. #4
    Vacuum Cleaning Expert 1,000+ Posts iMind's Avatar
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    Try to vacuum out the tube thats on your left hand side near to the flywheel that goes up to the development unit, this tube thas the tendency to coagulate and gives you bad quality copies, light copies or SC495 after 100K

    We can all Win, but at the end we all loose. Save the greyhound

  5. #5
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    Unhappy

    tubes has cleaned twice
    toner ratios has tried to be adjusted
    toner hopper has been cleaned
    problem same


  6. #6
    Technician fareeduddin ahmed's Avatar
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    Cool reply

    hi dear

    you have this problem due to blockage of toner feeding

    1) All pipes you have to take them out and clenead well


    2)the pump wich is going to supply toner also to be cleaned well


    this problem noticed due to abnormal room tempratrue some place due to heat and some places due to high cool

    if you work on this poins you will get back good results


  7. #7
    Technician
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    there have been so many revisions to the dev unit, i had a coworker with the exact same issue, turned out to be the dev unit,


  8. #8
    Passing Duplication Xpert 1,000+ Posts cobiray's Avatar
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    Have you tried cleaning the mag roller and doctor blade?


  9. #9
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    Light copies

    Cleaning the dev mag rollers can resolve those problems only if you clean all the grooves also. I use a brass brush (like the ones sold to clean a barbecue grill). Toner clumps up in the grooves and causes reduction of density. Also if the rollers are discolored (coating on them), there can be a gray background on the operator side edge in long runs. The first copies out appear to be ok, but in about 25 copies the background starts. This is most definately dirty/ glazed mag rollers. If it has gotten to the point of making a toner cloud when you turn the mag rollers by hand, the developer is crashed due to too much toner in the mix. Then you will need to change the developer in addition to cleaning the mag rollers.

    With the formulation of this developer and other modifications in this model, Ricoh has resolved the plugged doctor gap from paper dust. I have not seen any trouble which was experienced in the previous models with this engine.

    As a general rule, I check the mag rollers on all calls and clean them if indicated.


  10. #10
    Service Manager 1,000+ Posts Llama God's Avatar
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    I'm not too familiar with this model, but do the toner pumps go on these? They did on the 10515s and 9005s I believe, causing fading prints.


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