We are operating 4 printers remotely using Octoprint with exactly the same setup:
- same machine (Lulzbot-Mini)
- same model and gcode generated by Cura (same bed temperature, head temperature)
- no Octoprint configuration
- same filament (http://www.ca.diigiit.com/esun-filament-3mm-abs-plus) from eSun that is working really well with the printer and has reduced warping
- same room and temperature
- same bed with PEI sheet
- same color
We have 2 printers where model is sticking too much to the bed, one that is perfect and one that is sticking slightly not enough. PEI sheets are changed regularly and rolls also (same color). However, prints are still sticking too much to the same printer. For this reason, it is unlikely that PEI sheet or filament is the culprit.
We have tried glue, alcohol on the print bed to slightly influence adhesion but with limited result. Right now we increase bed temperature up to 80C to be able to remove the part. However, this still does not explain why we have such a difference we other printers.
Something to notice is that the parts that are sticking too much to the bed are slightly whiter that other parts. We can remove those spots with a torch. First, I thought these white spots were caused to humidity in the filament. However, it is not the case as we can switch filament from one printer to another and the whiter color is caused by the printer.
I think this comparison is really interesting as we have a very similar setup, filament and printed part.
Do you have any clue what I should investigate to have a similar adhesion behavior on each printer?