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· UMS5 Extruder 2 - too close/touching buildplate (third party spring steel on magnet on UM glass), strips PVA printing 1st layer
You can't disable active leveling in the S5 so I can't tell you that you are doing the leveling wrong 🙂
I just don't have this problem. Keep the nozzles clean. Make sure the silicone doesn't hit the bed when it's leveling. Watch the beginning of the procedure - that's when it compares left and right nozzle - the first two touches.
Clean the tips of both nozzles while hot - although that shouldn't be much of an issue normally as it heats the nozzles before leveling. But still try cleaning them. Also clean that little spot on the bed where both nozzles touch down. I use a putty knife.
It just works for me. It's one of the few things that is really consistent and works well.
Oh and check the seating of both cores. Sometimes the core is too far forward when it goes down and doesn't slide completely into the metal "fork" that positions both cores. Sometimes a core slides down a little farther after printing. You can make the right core go up with the lifting switch manually and then down and then push the nozzle towards the back of the machine (not much force - no more than 1/kg or 1lb - 4 sticks of butter kind of force). If the core goes down some more then that would explain your issue and you can fix that with a tiny bit of high temp grease.
I doubt that's the issue. I don't know what the issue is.
Maybe replace the silicone dam? If you don't have a spare, try printing without the silicone dam one time to see what happens. It's important to have though for a few reasons. One is if the print fails and it's not there it's possible to have a head flood. The other is airflow control to keep the part cool and the nozzle hot. But that's not as critical as you might think.
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gr5 1,605
You can't disable active leveling in the S5 so I can't tell you that you are doing the leveling wrong 🙂
I just don't have this problem. Keep the nozzles clean. Make sure the silicone doesn't hit the bed when it's leveling. Watch the beginning of the procedure - that's when it compares left and right nozzle - the first two touches.
Clean the tips of both nozzles while hot - although that shouldn't be much of an issue normally as it heats the nozzles before leveling. But still try cleaning them. Also clean that little spot on the bed where both nozzles touch down. I use a putty knife.
It just works for me. It's one of the few things that is really consistent and works well.
Oh and check the seating of both cores. Sometimes the core is too far forward when it goes down and doesn't slide completely into the metal "fork" that positions both cores. Sometimes a core slides down a little farther after printing. You can make the right core go up with the lifting switch manually and then down and then push the nozzle towards the back of the machine (not much force - no more than 1/kg or 1lb - 4 sticks of butter kind of force). If the core goes down some more then that would explain your issue and you can fix that with a tiny bit of high temp grease.
I doubt that's the issue. I don't know what the issue is.
Maybe replace the silicone dam? If you don't have a spare, try printing without the silicone dam one time to see what happens. It's important to have though for a few reasons. One is if the print fails and it's not there it's possible to have a head flood. The other is airflow control to keep the part cool and the nozzle hot. But that's not as critical as you might think.
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