So I have been doing some prints with the stop profiles, printing both PLA and PLA Aero.
The prints come out good, excep for the first 5 or so layers, which are missing sections, especially in narrower edges.
I’ve done a calibration and I am using the stick glue on the PLA cold plate. I’ve also tried a generic PEI plate with no luck.
What could be happening?
The calibration completes successfully? When I see stringing like that I think wet filament. Have you tried drying the filament to see if that changes things?
The calibration completes sucessfully, yes.
The printer and filament are new (both bambulabs), I just received both yesterday. The filament was in a a vaccumed bag with a desecant. I would find it strange that it was bad from the factory, but could it?
Yes, it could be very well saturated even before packing. Desiccant does not remove moisture from filement. Only from air. Only heat will force moisture out a filament.
Do you mind posting a screen shot of the model? I’m wondering if this is more of a slicing problem.
PLA usually doesn’t have the wet issues but just to be sure, its a good thing to check off the list.
1 Like
Last time I was having first layer issues and couldn’t figure it out, I turned off the printer, unplugged it from the wall, waited a minute, then plugged the printer back in and turned it on. After that, I ran the self test, then ran the calibration. While the printer was doing that, I cleaned and prepped all my print surfaces. My prints after that were great.
This may sound really weird for a solution, but several people in another Bambu user group I’m in have reported having first layer issues and bed adhesion issues when their SD card went bad. They replaced or reformatted and error checked their SD cards and the issues went away. I have no idea why it worked, but it did for half a dozen people with similar issues.
Well, I cleaned up the plate, added stick glue and then I gradually increased the plate temperature to 50 degrees.
All the issues are now gone.
I also stopped trying to use the PEI plane (it is a generic one as the Bambulabs one was not available) and it was giving me plate position and homing errors. LW-PLA seems to print well enough on the standard Bambu plate.
That is not correct. PLA also absorbs moisture over time, it just takes longer. Moist PLA can be recognised by the fact that it becomes very brittle. You can usually save it by drying it.
Many users believe that just because they have opened a new filament, it is in the best and driest condition, but this is a misconception. New filament is no guarantee for dry filament. Filament goes through a long water bath during production. If the manufacturer does not dry it properly afterwards, you will receive a moist filament despite vacuum packaging and desiccant.
mine is rough too but not nearly as bad, i dont think my first layer error dection is doing its job (sorry for misspells)