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  1. I use a TP-Link N600-based router (TD-W8980) I was previously having no problems with wifi - even with the latest firmware, it worked fine. But something weird has happened in reverting to 4.3.3 Upgrading Linux version is something to be treated with great caution, as curious things can happen. I've had this with my Raspberry Pis and, with Linux (according to some Linux experts) you never upgrade the Linux version unless you absolutely have to - and if you do, testing has to be extensive. But I'm happily printing with the LAN cable and 4.3.3 for now
  2. Thanks, gr5 ... I think I'm going to stick to 4.3.3 for now. I'm retired, a hobbyist, and I don't actually print that often. But I'm in the middle of printing a couple of little audio-mixer front panels for a community project which has me up against a deadline (retirement is hard work !) Normally I only ever do levelling after I've had to remove the glass to clean it, but it's always an auto. Anyway, with the community help I'm back and functioning (although, for some reason, I've not been able to get the UM3 to connect to my wifi, although it does generate a hotspot, so I'm using
  3. I did try a factory reset this morning (after Dim3nsioneer's comment - but it definitely did not fix the problem. So I reverted to 4.3.3 as mentioned above, and all was well. So I tried upgrading back to the latest version, did a full setup, and the problem is back again. So I'm just about to go back to 4.3.3 (which was far less painful than I expected)
  4. Thanks - I've lost confidence that my UM3 will do what it's supposed to - but I'm used to uSD crads as I have lots of Raspberry Pis!) But, with fear in my heart, I'll give it a go. Thanks again - much appreciated
  5. Thanks Dim3nsioneer. I was following Ultimaker's advice when it comes to 4.3.97 Do you know where I can download 4.3.3?
  6. I was printing a largish print overnight last night, and it worked fine. Then this evening I upgraded to 5.2.11, just tried to print another copy overnight, and it doesn't print. There is clearly something very weird going on. 1: The display is a bit odd (strangely offset sometimes, but also isn't always showing plate/head warm-up progress) 2: MOST IMPORTANT: The print head starts right up against the glass plate, even after a full reset and auto-levelling. The result is that for the first layer nothing gets deposited - the next layer it works for part of the time, but there's a bit bu
  7. I've only just started using PLA Black on my Ultimaker 3 - but the printer doesn't recognise the NFC. It works absolutely fine with all other spools, so it suggests the NFC on the spool is faulty. As a final test, I borrowed the NFS insert from another spool, and that worked (except the UM3 detected the wrong colour of course). Is it possible to obtain a replacement NFC insert? I have emailed Ultimaker three times since the beginning of December, but have had np response. Thanks
  8. Thanks -- but I've done everything in (and outside) the manual. Having taken the feeder apart and also examined it in action, I think that there's a design issue which could easily be solved. I'm looking to see if I can produce a simple fix. And it seems a bit odd to be talking about replacing a printer that I've only had a few weeks.
  9. I have exactly the same noises - it is as though something is loose and rattling (definitely not the levelling noises). Follow-up ... yes, there's something rattling in the print head unit. But I've done a lot more investigation and there ARE also levelling noises. Just touching the build-plate screw I can feel the screw moving fractionally.
  10. Thanks for the thoughts. I've done some experiments based on the above (Wedgebot not necessary) ... I did find that cutting to a point didn't always help, but adding a slight bend at the end away from the catch-point made the difference.
  11. From day 1 (4 days ago), feeder 1 keeps getting jammed up when I first feed the filament. It deviates off to the left and is visible through the hole. Sometimes it's possible to grab it and pull the misfeed out, but I've had to completely dismantle the feeder on a couple of occasions. It's now sometimes not feeding consistently. I'm making sure that the filament (I'm using the supplied filaments) is cut cleanly and is straight, and is pushed firmly into the feeder, but that doesn't seem to matter. Is there some knack to this?
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