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  1. #11
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    Re: Ricoh SP C821dn cyan toner reads empty even with new cylinder

    To follow up on this... the new Cyan bottle arrived. Until now I'd been using the printer with the Toner End Detection set to 1. Before installing the new Cyan bottle, I tried changing Toner End Detection back to 0 and it now detected the existing Cyan bottle (albeit only at about 1/3 full, which is much less than it should have been as the bottle was brand new 3 weeks ago with very little printed since). I used the printer like this for a couple weeks.

    Today it said Cyan was empty (even though I can feel lots of toner inside). I switched bottles to the brand new one, and it tried loading toner but still said it's empty.

    I've set Toner End Detection back to 1 again and stuck with the first bottle. I'm going to run until the Cyan starts to fade.

    I'd really like to get the printer working properly again, though. From comments above it sounds like either it needs a new RFID board or pump. Is there a way I can rule out which one of those it is?

    Thanks, grateful for any help!

  2. #12
    Field Supervisor 500+ Posts Gift's Avatar
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    Re: Ricoh SP C821dn cyan toner reads empty even with new cylinder

    Save NV Ram Data via SP on SD Card -> then Memory All Clear -> Reboot -> Restore NV Ram Backup

    That helped me in most cases with false Empty Bottle Messages (if nothing hardware related is faulty of course). It's easy and fast to give it a shot. I also needed to do this after changing some pumps because the machine wouldn't recover the toner itself for whatever reason.

  3. #13
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    Re: Ricoh SP C821dn cyan toner reads empty even with new cylinder

    Quote Originally Posted by Gift View Post
    Save NV Ram Data via SP on SD Card -> then Memory All Clear -> Reboot -> Restore NV Ram Backup
    Thanks Gift, I'll try that.

    Quote Originally Posted by Hoosierdaddy View Post
    Try a different cyan pcu. You confirmed it sees a full toner bottle in the sp mode.
    I just realized I haven't tried this, either. Are there toner sensors in the PCU?

  4. #14
    Field Supervisor 500+ Posts Gift's Avatar
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    Re: Ricoh SP C821dn cyan toner reads empty even with new cylinder

    Quote Originally Posted by rkagerer View Post
    To follow up on this... the new Cyan bottle arrived. Until now I'd been using the printer with the Toner End Detection set to 1. Before installing the new Cyan bottle, I tried changing Toner End Detection back to 0 and it now detected the existing Cyan bottle (albeit only at about 1/3 full, which is much less than it should have been as the bottle was brand new 3 weeks ago with very little printed since). I used the printer like this for a couple weeks.

    Today it said Cyan was empty (even though I can feel lots of toner inside). I switched bottles to the brand new one, and it tried loading toner but still said it's empty.

    I've set Toner End Detection back to 1 again and stuck with the first bottle. I'm going to run until the Cyan starts to fade.

    I'd really like to get the printer working properly again, though. From comments above it sounds like either it needs a new RFID board or pump. Is there a way I can rule out which one of those it is?

    Thanks, grateful for any help!
    so what did the trick? the sales guy^^?

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