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Answered Missing layers from print and heater problems

Discussion in 'Troubleshooting' started by Springpatch Newb, Jul 21, 2019.

  1. Springpatch Newb

    Springpatch Newb New Member

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    My robo 3d r1 plus has been having problems where it doesn't print some layers because it either for some reason gets too hot or the temp drops and the extruder fan gets really loud and it sometimes makes it too hot or cold and it causes the missed layers. Please help.

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  2. Springpatch Newb

    Springpatch Newb New Member

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    P.S. if possible would like to know your suggestions for a new 3d printer as long as it is under $400 as a replacement for I am wanting to buy a new printer that hopefully I wont have any problems with.

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  3. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    well, it could be the heater core or the thermistor... (or anything really)
    However all of the electronics (all of them) for the R1/R1+ can be had in a kit for less than $50. From Amazon. Via Prime :)

    The thermistor and heater core are not in the all-in-one kits (unless you include a hotend) but they are cheap.

    Specifically we need to know exactly which printer model you have to help point you to the correct hotend parts.
     
  4. Springpatch Newb

    Springpatch Newb New Member

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    Silly question.... I only know that it is a robo r1 + 3d printer, where would I find that information on the printer?

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  5. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    That is good enough :)

    The Robo beta, the Robo R1 and the Robo R1+ all look almost identical (they are not).

    The R1+ uses a slightly customized version of the RepRap Hexagon hotend.
    'Slightly' customized because the thermistor is a specific canister style that only Robo used.
    Try these folks for that :

    https://www.partsbuilt.com/robo-parts/

    (example of the thermsitor: https://www.partsbuilt.com/robo-r1-compatible-thermistor/)

    If they are out of stock on an item -- email them and let them know you want it.


    For the kits (all the other electronics) you can find an assortment of those on Amazon -- here are some examples (not recommendations -- just examples):

    https://smile.amazon.com/Aokin-Printer-Controller-Arduino-Heatsink/dp/B07Q5R6YSK/

    https://smile.amazon.com/Eiechip-CNC-3D-Printer-Kit/dp/B07BKVPZ71

    https://smile.amazon.com/Quimat-Printer-Controller-Arduino-Upgraded/dp/B06XS8G1BB

    Quality-wise they will all likely be the same.



    Bear in mind that with the R1+ if you need to swap the RAMPS 1.4 card you need to look at this thread:

    http://community.robo3d.com/index.p...and-rewiring-to-make-generic-ramps-work.8356/
     
  6. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Worst case you CAN replace the hotend with something like an E3D which is a better hotend than the hexagon, but that will cost more than the thermistor for the hexagon and also more than the entire hexagon hotend... BUT it has wide availability of spare parts so you are not stuck waiting. There is a thread for how to do the upgrade to the E3D from the hexagon as well.
     
  7. Susanne Adam

    Susanne Adam New Member

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    You can resolve the issue by:-
    Increase the temperature of the extruder.
    Check the fan properly and then increase or decrease the fan speed.
     

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