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Recent Content by mark tomlinson

  1. mark tomlinson
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    marlin timeout error

    Almost always a bad USB cable or a bad Arduino -- you are on the R2 I presume since that is where you posted this (R2 section) which means the...
    Post by: mark tomlinson, Jan 22, 2021 at 1:27 PM in forum: Troubleshooting
  2. mark tomlinson
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    Unanswered Homing makes loud squealing noise

    Well the squeal can be either the bearings need lubrication or the stepper drivers are not putting out enough current to move the stepper motors....
    Post by: mark tomlinson, Jan 22, 2021 at 1:25 PM in forum: Troubleshooting
  3. mark tomlinson
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    Refurbishing a set of R1 style Robos

    One of the three I refurbed has a replacement PS installed since the original died after a few years. The others are just stock. I have a spare...
    Post by: mark tomlinson, Jan 22, 2021 at 1:21 PM in forum: Projects
  4. mark tomlinson
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    Atomic Filament: good finish but stringy

    Unsurprising (sadly). Harsh market with little margin.
    Post by: mark tomlinson, Jan 22, 2021 at 8:16 AM in forum: Filament
  5. mark tomlinson
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    Solved Skipping

    Nozzles are a wear item. They wear but the brass ones wear faster than the stainless steel or hardened steel. As they wear the nozzle diameter is...
    Post by: mark tomlinson, Jan 22, 2021 at 8:14 AM in forum: Troubleshooting
  6. mark tomlinson
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    Refurbishing a set of R1 style Robos

    Yes, I went for the larger one since I have had the smaller ones fail in the past. I am fairly confident that one will survive.
    Post by: mark tomlinson, Jan 22, 2021 at 8:11 AM in forum: Projects
  7. mark tomlinson
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    Unresolved Matter Control & Arduino are not connecting.

    and this is why when I buy the cheaper boards I buy more than one... last time I needed a RAMPS I bought 4 (from different sellers) and exactly...
    Post by: mark tomlinson, Jan 18, 2021 at 11:45 AM in forum: Troubleshooting
  8. mark tomlinson
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    Unresolved Matter Control & Arduino are not connecting.

    These are assembled often by machines and the less people time involved the cheaper they can be to make. So almost none of the stuff you get from...
    Post by: mark tomlinson, Jan 18, 2021 at 11:28 AM in forum: Troubleshooting
  9. mark tomlinson
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    Unresolved Matter Control & Arduino are not connecting.

    The ribbon cables with the LCD? You can make them yourself or buy longer ones (they are straight-through cables so the pins are all 1-1). You can...
    Post by: mark tomlinson, Jan 18, 2021 at 11:26 AM in forum: Troubleshooting
  10. mark tomlinson
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    Unresolved Matter Control & Arduino are not connecting.

    Oh, and then there is this: https://reprap.org/forum/read.php?13,535048 The RAMPS is where the 12v is sourced from and some models of the RAMPS...
    Post by: mark tomlinson, Jan 18, 2021 at 8:09 AM in forum: Troubleshooting
  11. mark tomlinson
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    Unresolved Matter Control & Arduino are not connecting.

    The Arduino mega has a regulator to step down the 12v from the power supply to 5v internally. When powered from the USB that step is not needed. I...
    Post by: mark tomlinson, Jan 18, 2021 at 7:43 AM in forum: Troubleshooting
  12. mark tomlinson
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    Mon imprimante R2 ne répond plus

    And sadly, my French is not good enough so that was done via Google Translate...
    Post by: mark tomlinson, Jan 17, 2021 at 9:12 AM in forum: Troubleshooting
  13. mark tomlinson
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    Mon imprimante R2 ne répond plus

    Si vous pouvez le traduire, il y a un article ici dans la section R2 qui détaille quelles versions du micrologiciel et de Robo OS fonctionnent...
    Post by: mark tomlinson, Jan 17, 2021 at 9:12 AM in forum: Troubleshooting
  14. mark tomlinson
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    Unanswered Could custom shaft aligner contribute to z-banding?

    That said -- it can't hurt :) But I run most of my printers topless and even with tall models there are no problems.
    Post by: mark tomlinson, Jan 16, 2021 in forum: Troubleshooting
  15. mark tomlinson
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    Unanswered Could custom shaft aligner contribute to z-banding?

    Not likely. The issue is due to math really with the threading on the rods and having the flex couplers versus the steps. There are a couple of...
    Post by: mark tomlinson, Jan 16, 2021 in forum: Troubleshooting