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  1. #1
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    Angry RZ 390UI P19-207 and Master Making Unit Issues

    Hello!

    I have a RZ 390UI and am having issues with the master making unit. The error code is P19-207, which in the tech manual says the error condition is "TPH pressure sensor does not go OFF within 2 seconds after thermal-pressure activates in the decompressing direction, or during home positioning operation". I am not sure what to do fix this, since the Risograph won't unlock the Master Making Unit Release so I can't get in there. Any tips on how to open the Master Making Unit? Or, what to do once I am able to open it?

    Thanks!


  2. #2
    Trusted Tech 50+ Posts
    RZ 390UI P19-207 and Master Making Unit Issues

    VENRISO's Avatar
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    Re: RZ 390UI P19-207 and Master Making Unit Issues

    Hi check the gears in the pressure system of tph it has a gear which always breaks has a screw un the middle


  3. #3
    Junior Member
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    Re: RZ 390UI P19-207 and Master Making Unit Issues

    Thanks! That part was broken, just ordered a new one to replace!


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