Poor quality prints

[megatech1966]

Hello all. I installed 2 BTT S42B V1 on to my x and y. Calibrated ok. Uncommented x and y in configuration.h. Y was playing up. Wasn’t moving all the way to 0 on my bed. Changed 2 lines in configuration_adv.h #define MINIMUM_STEPPER_PULSE 3

#define MAXIMUM_STEPPER_RATE 150000

Now y is working ok Had to change x steps to 100 and y steps to 100

The problem is I get poor quality cube. Vertical banding and horrible ringing. The nice one was with my TMC2130s. My max acceleration is 500 Any help would be appreciated 😃

[megatech1966]

S42B using open loop (switch 3 off)

[robtheminnie]

I have a similar issue with mine. I have these fitted to x and y on an ender3, and now have the same ringing/vertical lines shown in the initial post. Have you found a fix?

[megatech1966]

I updated the firmware from a fork of the btt firmware

[robtheminnie]

I updated the firmware from a fork of the btt firmware

Do you have a link?

Was it from here?

https://github.com/bigtreetech/BIGTREETECH-Stepper-Motor-Driver/tree/0814d4a0371aa818ba08abeb214c3f460904cde9/S42B/firmware

[megatech1966]

https://github.com/swanepoeljan/TrueStep

[robtheminnie]

Ah, thanks. Also, just seen you are using the V1.0 board. I have V2.0 boards so that fork won't work unfortunately. Thanks for the info though :) I might get in touch with the writer of that fork and see if he has any input.

[GIANNHSitia]

I have the same problem, have you found a solution? I have S42b 1.1 to X and Y axis

[megatech1966]

I have a solution for version 1.0

[GIANNHSitia]

how to fix it? not working to 1.1v?