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  1. #11
    Retired 5,000+ Posts slimslob's Avatar
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    Re: MPC2500 add toner - black, already replace toner pump

    OK, let's try this one more time.

    You have 3 symptoms:
    1. Machine is showing add toner
    2. Bar graph is showing zero bars.
    3. Counter is printing light gray.


    Since you have replaced the pump and toner hose, the only tong that I know of that will cause all 3 is no toner present at the toner out sensor on the toner nozzle assembly at the back of the toner cartridge tray. This is normally the result of clogged nozzle. Replace the nozzle, part # D0293205 NOZZLE:C2:ASS'Y


  2. #12
    Field Supervisor 500+ Posts
    MPC2500 add toner - black, already replace toner pump


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    Re: MPC2500 add toner - black, already replace toner pump

    Quote Originally Posted by slimslob View Post
    OK, let's try this one more time.

    You have 3 symptoms:
    1. Machine is showing add toner
    2. Bar graph is showing zero bars.
    3. Counter is printing light gray.
    Thanks slimslob, those are exactly the symptoms it has.
    I will order the nozzle.


  3. #13
    Field Service Engineer 1,000+ Posts
    MPC2500 add toner - black, already replace toner pump

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    Re: MPC2500 add toner - black, already replace toner pump

    I would also suspect the K dv unit, if a gear has failed it cant pull or stirr the dev/toner & then throw an add k toner message.

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

    www.copierfirmware.co.uk

  4. #14
    Senior Tech 250+ Posts
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    Re: MPC2500 add toner - black, already replace toner pump

    I would check to see of the toner bottle itself is turning. I've seen it once in all the years I've been working on these things. I am assuming you are using OEM toner (if not, depending on the aftermarket source the bottle may be designed in such a way that you can't see it turn). If using OEM toner you can cheat the front door switch, put the machine is sim mode and run the add toner sim. If the toner bottle clutch is good you will see the bottle turning with add toner sim active. If it indeed does not turn then grab a hold of it and turn it by hand and see if the add toner message goes out. My guess is the toner bottle doesn't turn when trying too add toner.


  5. #15
    Field Supervisor 500+ Posts
    MPC2500 add toner - black, already replace toner pump


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    Re: MPC2500 add toner - black, already replace toner pump

    Quote Originally Posted by logrady2331 View Post
    I would check to see of the toner bottle itself is turning.
    yes bottle is turning and yes oem toner.

    went back today and manually added toner to developer unit (actually by hand, not in sim mode)
    copies came back nice and dark and add toner icons are at proper level now.

    toner nozzle is on backorder so I physically went in and tried to clear nozzle, will have to see if it continues to add toner now

    so at this point add toner message is gone, toner icons at proper display, and copies nice and dark.

    seems like if problem comes back, new toner nozzle should be next.

    thanks for all of the input!


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