Topics created by DeltaDuet

@dc42 Really! You were right. I checked my old config.g backup.
The current value of the rod length was 350.55,H380,00 but the original value in the backup was 340.55. H384,56
After the test print, the size of the circle is OK.
I don't understand why this value changed.
But the problem seems to be solved. Thank you

As I said, you are printing a tiny object. If you want to increase the speed, you need to increase your acceleration and jerk settings so that it takes less time to reach your targeted speed. This includes your extruder settings. You can also try setting jerk policy to 1 to speed up transitions to travels by applying the jerk value to travels as well. M566 P1

M201 X5000 Y5000 Z5000 E6000 ; Accelerations (mm/s^2)
M566 X2000 Y2000 Z2000 E3000 ; Maximum instant speed changes mm/minute
M566 P1

Give that a try and watch for skipped steps.

It would also help you to figure out your hot ends volumetric melt rate limit. You can't successfully print any faster than the hot end can produce melted plastic.