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  1. I drop parts into one warm water bucket for 10-20 minutes, then manually pull off as much PVA as possible. Then transfer to a larger bucket with clean warm water. Water saturated with too much PVA dissolves off part slower. I usually allow overnight, and sometimes need a second day to clear PVA out of inside corners, or small holes on parts. Especially blind holes. I am sure circulation, and constant warm water would help, so I am planning to try something like this below, that others have used. Not sure how long it will last. VPCOK Sous Vide Cooker Accurate Im
  2. Hello, I am guessing, based on your results, that the 3D model you are using for the tyre, is hollow, like a car tyre. In which case, what you have is not infill per say, but Support that is sitting on the model, not touching the top plate. I do not know if it is possible to identify one extruder for supports touching build plate, and a different extruder for supports sitting on the model. Another user may be able to answer that. I also do not know your CAD capabilities, and where you got your 3D model, but the simpliest thing would be to modify the original CAD model to be fil
  3. I was able to clear jams using two lengths of PLA, which won't break in the process. As A3000T noted, the power must be off, so unplug the cord. It took two people. One pushing in from front, and one pushing from rear. When you meet at the blockage, push and pull until you break it free and can push it out the rear. Always have done this with the tube in the rear disconnected from the bottom of the decoupler. Be sure to unreel and dispose of any PVA that is brittle before installing again. It should be able to be straightened without snapping, or it will break in the material station. Good luc
  4. A previous post from my S5 and Material Station with PVA experience. https://community.ultimaker.com/topic/30821-added-material-station-and-s5-lost-its-mind/?do=findComment&comment=262012
  5. I would start by physically removing all rolls in the material station except Bay A that is correctly recognized a tough black PLA. Then try to rerun your print. Looks like it was not expecting to use the second extruder. If that works, then try adding one reel at a time and let the material station identify them. If it does not read or reads wrong, remove and try a different bay. I just had a reel of PVA be idenfied in one bay as ABS repeatedly, and relocated to another bay and been read correctly. Good luck
  6. Install another networked Web camera at an angle that is actually useful. They are pretty cheap. My S5 camera works more than it used to, but the angle of view is limited. My other camera can be rotated to watch my UM2+ as well as the S5 remotely. Good luck.
  7. I started using pink aquanet hair spray back with my UM 2+ to get ABS to stick, and have migrated to using it even for my PLA projects. Remove glass plate and clean with Windex. Dry whole area off well so no windex residue remains, or hair spray will bead up. Soak the glass plate with hair spray THICK until a clear layer forms on glass. Wipe off corners where clips hold. Place the glass back in printer, and pre-heat the base plate to 60C until dry. Acts like a self leveling compound for the glass. Then run your print once dry in ~5 minutes. Have had zero adhesion issues, glass dam
  8. When you look at the S5 display of the materials loaded in each material station bay, does it recognize that PVA is loaded? I should first confirm you are using Ultimaker brand PVA which has the RFID feature on the side of the reel? Circular Tag. If you press the button to eject, then remove the PVA reel entirely, then re-install it, and insert, the display should spin and then eventually recognize the reel. I have not personally been successful loading a reel manually, but did not try too hard either. I have always been successfull if I just insert the filament and let the mate
  9. Reporting back after some more time with my Material station/S5. We use PLA and PVA on almost every print, as this is why we purchased the S5. My younger associate has given up on the S5 with Material Station, and gone back to using our 2+. Young have no patience for things that do not work as expected. For the time being, I have found the following process to be the only workaround that keeps our S5 and Material station operational with PVA. I must apply this process starting after the very first first print, and with absolutely brand new Ultimaker PVA rolls going d
  10. Last time this happened on my 2+, it turned out to be a bad sd card. Try another card, or clean the contacts on your card, and try plugging in and out a bunch to hopefully clean off contacts. I had a bad card reader at one point that seemed to write corrupted files too, so maybe try a fresh card and reader. Good luck
  11. Watch your PVA as it is loading to see where it stops. I had same problem and found that a piece of PVA had broken off just before and inside the extruder. Likely this happened at the end of the print when material station was retracting filament. The new mostly full roll of UM PVA in material station for a few days was now very brittle, and would snap off when I tried to straighten the end by hand before re-inserting. I have my suspicions that the brittle PVA is due to being too dry, and this may be an issue in places where humidity is very low naturally in winter and may be made w
  12. Reporting back, that after a couple prints completed now, my material station and S5 are performing perfectly. Knowing what to expect for operation with the Material Station, so that I stopped shutting it down in a panic, has made things much better. The panic shut downs had made the problems even worse to get worked out. One more thought is that if the S5 display could say something useful like: "Material Station purge in process, Nozzle 1" , instead of the usual "Preparing to print" , Users would be less apt to panic. Use the screen to tell users more of what is going on w
  13. The first attempted print, I did let it go, and it failed with an error message that print head did not reach temp fast enough. Found the pile of purged material on the floor of the printer, which is usually not a good sign. This Purge behavior, if correct, should be better documented so folks know what to expect. I attached a picture of the mess left on the left side from a single hotend 1 purge of the material station load process. Seems like way more filament than I would expect for a purge, and movement of the head front to back during the process is also seemingly unneces
  14. The head is moving completely off the left side and to the front of a raised build plate and dumping filament down under the build plate on the left side for a while (NOT putting filament on top of the build plate), then it shifts backwards about an inch and dumps some more material on that side, then back another inch etc. It never ran the typical self level procedure at the start of the print, but started this behavior instead. Must shut off power to stop it. I was able to extract the filament from the head while it was still hot, release the extruder, and pull it back through materia
  15. I just received and installed the Material station for my S5 bundle. No air manager has arrived yet. After install, upgraded firmware to latest offered on the machine 5.4.27-20191212. Now what was a great printer has lost its mind and is useless. First print I ran, it loaded from bay "A" to extruder 1, but it dumped a bunch of filament off the left side of the build plate, and threw an error that the nozzle did not heat fast enough. Now there is no way I can find to eject that material. It is loaded all the way into the head, but the material menu has all options greyed out for that bay.
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