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Poor prints after the recent firmware update
The print quality, using the same settings and material, deteriorated. This happened after the most recent firmware update to my Mark4S. The current firmware version is 6.4.0+11974. Looks like the input shape needs to be calibrated however the necessary module requires that I purchase a part to preform the calibration. I have included a photo. The cone on the left is the result after the firmware update. The cone on the right is before the update. Any thoughts or solutions?
Posted : 25/02/2026 3:05 pm
Topic starter
answered:
RE:
I should add that the printer is in it's stock form down to the original nozzle. I'm using the same PLA as well as the Prusa Slicer. Minor VFA's were noted prior to the update but the increase unacceptable.
This post was modified 17 hours ago by idaho bill
Posted : 25/02/2026 3:18 pm
How old is the nozzle?
Cheerio,
Posted : 25/02/2026 3:34 pm