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  1. #1
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    Anyone else getting crystallized/hardened toners from KM

    We've had several bad oem Konica Minolta toners in the last 2 months or so and was just wondering if anyone else is seeing this.
    We have a climate controlled warehouse and have never had issues in the past with supplies, so I figured I would check to see if anyone else has had issues, because I don't think it's on our end unless it could be the shipper storing them in a hot or damp area.

  2. #2
    Service Manager 5,000+ Posts
    Anyone else getting crystallized/hardened toners from KM

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    Re: Anyone else getting crystallized/hardened toners from KM

    Quote Originally Posted by SAR View Post
    We've had several bad oem Konica Minolta toners in the last 2 months or so and was just wondering if anyone else is seeing this.
    We have a climate controlled warehouse and have never had issues in the past with supplies, so I figured I would check to see if anyone else has had issues, because I don't think it's on our end unless it could be the shipper storing them in a hot or damp area.

    What exactly is wrong with them to make you feel they were "bad" ?
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  3. #3
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    Re: Anyone else getting crystallized/hardened toners from KM

    Quote Originally Posted by copier tech View Post
    What exactly is wrong with them to make you feel they were "bad" ?
    The toner in the cartridge is hardened. If you shake the cartridge it sounds like there are marbles in there.
    We have had to replace some toner hopper and development units because of it.

  4. #4
    Retired 10,000+ Posts slimslob's Avatar
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    Re: Anyone else getting crystallized/hardened toners from KM

    Quote Originally Posted by SAR View Post
    We've had several bad oem Konica Minolta toners in the last 2 months or so and was just wondering if anyone else is seeing this.
    We have a climate controlled warehouse and have never had issues in the past with supplies, so I figured I would check to see if anyone else has had issues, because I don't think it's on our end unless it could be the shipper storing them in a hot or damp area.
    Please explain exact what you mean by "OEM." Usually that is a term used by those who do not want to admit they are using after market products. The problem you describe is one of the reasons to only purchase KM toner from KM.

  5. #5
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    Re: Anyone else getting crystallized/hardened toners from KM

    Quote Originally Posted by SAR View Post
    The toner in the cartridge is hardened. If you shake the cartridge it sounds like there are marbles in there.
    We have had to replace some toner hopper and development units because of it.

    One time about a year ago. Bizhub 554e

    N333_20181213_172920.jpg

  6. #6
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    Re: Anyone else getting crystallized/hardened toners from KM

    Quote Originally Posted by slimslob View Post
    Please explain exact what you mean by "OEM." Usually that is a term used by those who do not want to admit they are using after market products. The problem you describe is one of the reasons to only purchase KM toner from KM.
    These are genuine Konica Minolta toners. We are an authorized dealer and NEVER use non oem toner, that is a recipe for disaster.

  7. #7
    Service Manager 2,500+ Posts tsbservice's Avatar
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    Re: Anyone else getting crystallized/hardened toners from KM

    This will happen when toner is stored or exposed to high temperature, obviously before entering your storage area. I would claim them all.
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

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  8. #8
    Copier Technician 1,000+ Posts
    Anyone else getting crystallized/hardened toners from KM

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    Re: Anyone else getting crystallized/hardened toners from KM

    Quote Originally Posted by tsbservice View Post
    This will happen when toner is stored or exposed to high temperature, obviously before entering your storage area. I would claim them all.
    Correct just send back to Konica

  9. #9
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    Re: Anyone else getting crystallized/hardened toners from KM

    Quote Originally Posted by and View Post
    One time about a year ago. Bizhub 554e

    N333_20181213_172920.jpg
    Same... one time one bottle since 10 years. Maybe 2 years ago.

  10. #10
    Step aside, noob 1,000+ Posts EarthKmTech's Avatar
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    Re: Anyone else getting crystallized/hardened toners from KM

    Interestingly I installed some machines on a remote island a few years ago and found the machines and toners in a shipping container in the blazing sun, left like that for weeks too. It would have been about 50 degrees Celsius inside. Immediately I thought I was going to be in for a complete nightmare but to my astonishment all machines and toners were fine. I have had hardened toners and even developing units left in my car in the sun. It would be interesting to know at what temperature things become risky. Note that the dev units destroyed in my car happened during summer and me being away holidaying for a month. Iíve never made that careless mistake again
    This account is no longer active and will no longer be used, I may re-join at a later date. Do not private message me, I will not get the notifications. Goodbye and all the best.

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