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  1. #1
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    Kyocera FS1135 has C7990 error.

    Waste Toner full. Which unit do I need to order, developer or drum?

    I know some units you can empty the waste toner but I don't see one on this one.

  2. #2
    Service Manager 1,000+ Posts
    Kyocera FS1135 has C7990 error.


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    Re: Kyocera FS1135 has C7990 error.

    Drum (process unit) stores the waste toner. I've never tried emptying.

  3. #3
    Field Supervisor 500+ Posts
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    Re: Kyocera FS1135 has C7990 error.

    You can pop off the end of the drum unit and vacuum out the toner. It is a square cap.

  4. #4
    Senior Tech 100+ Posts Ropariva's Avatar
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    Re: Kyocera FS1135 has C7990 error.

    Only ever seen this where generic toner was used. So often there is background the clients donít see and the machines chew through so much more because of it. False economy.

  5. #5
    Field Supervisor 500+ Posts
    Kyocera FS1135 has C7990 error.


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    Re: Kyocera FS1135 has C7990 error.

    Quote Originally Posted by Ricky965 View Post
    Waste Toner full. Which unit do I need to order, developer or drum?

    I know some units you can empty the waste toner but I don't see one on this one.
    The drum assembly is where the waste toner is collected. We have had only limited success in vacuuming out the waste toner area and getting more than a month or so out of the unit. We have found it more economical to just replace the drum assembly. Vacuuming out the waste toner dislodges the caked toner in the waste area caused by it being next to the fuser and it getting under the drum wiper. As an emergency solution it will work, but the long term resolution is to replace the drum assembly.

  6. #6
    Service Manager 50+ Posts eddie110171's Avatar
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    Re: Kyocera FS1135 has C7990 error.

    We have actually had a lot of success emptying them, but we don't vacuum the process unit. We open on cap on one side and tap on it with the back of a screwdriver and empty it into a trash bag. Then close that cap and open the other one and tap again. Has worked great for us, but take you time.

  7. #7
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    Re: Kyocera FS1135 has C7990 error.

    Quote Originally Posted by eddie110171 View Post
    We have actually had a lot of success emptying them, but we don't vacuum the process unit. We open on cap on one side and tap on it with the back of a screwdriver and empty it into a trash bag. Then close that cap and open the other one and tap again. Has worked great for us, but take you time.
    I pop off both of the caps and vac. with a little bit of tapping. Run the wire cleaner afterwards and you'll be great! I've done this many times and will get the full life of the drum.

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