RE: [Poll] Do you have layer shifts when printing multiple PETG objects?
i manually changed the z-hop from 0.2 to 0.4mm. I think this fixes the issue, dont have any layershifts after a couple of prints.
Thanks to point at this really easy solution. Its kind of obvious when you think about it, didnt know you can adjust the Z-hop hight. Thanks for the tip!
RE: [Poll] Do you have layer shifts when printing multiple PETG objects?
That's great news. Have your PETG IS enabled prints been working well now?
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It happened to me once, after I heard a *bang* and I suspect the nozzle collided with one of the parts and the Y-axis motor jumped steps.
This has also happened to me with an Ender 3 at work printing PLA, so I suspect a bug in the slicer sometimes rears its ugly head. Or if variable layer height is being used, perhaps it doesn't always keep clear of other instances of the part when moving from one to another.
Increasing the Z-hop distance will probably fix this as suggested.
If someone attaches a tiny camera and flex cable to the carriage looking at the nozzle, a lot of these issues will be made visible and sorted once and for all!
John Dom
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Yes, I have when printing pla. Brand new kit, prints great, beautiful first layers. But layer shifts! What can i do? Do I have to disable IS? One of the main reasons for buying the expensive machine with lots of equal competitors. I´m not happy
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Still observed with Slicer 2.8. In 2.7.4, I had repeated layer shifts with Prusament PETG when using Input Shaper, printing the same object without Input Shaper (yes, it takes twice as long) worked perfectly. First two attempts with IS in 2.8 failed again, no IS test is on the printer right now.
Since there are no non-IS profiles for the Mk4 with MMU3 - is there any way to disable the IS?
The usual causes of this sort of thing are warping and poor first layer adhesion. Have any of you checked the underside of failed prints?
Cheerio,
RE: [Poll] Do you have layer shifts when printing multiple PETG objects?
checking the ten or so failed prints in my wastebasket - nope, bed adhesion and print undersides are perfect. using the satin sheet, so any issues here would be quite obvious. same argumentation applies : why would IS prints fail reproduceably (but always at a different layer) while non-IS prints succeed?
going to run another attempt this afternoon - I'm using an obxidian nozzle, could be that what works for the slow speed is just not reliable any more at higher throughput. I'll try upping the temperature by a few degrees.