Lines not aligned when using laser

[roger181078 (Roger)]

Greetings,

I had a similar problem and was able to solve it by making a modification at Marlin.

I am enclosing the publication that solved my problem, I hope it will also solve yours:

More Laser Advice - Firmware

Sorry for the late reply, finishing up a mount for my laser on a dust shoe for my DW660 spindle. Here is the problem if you haven’t done this yet. I had the same problem until I did the following: in the Marlin.cpp file find this block of code. // Limit check_axes_activity frequency to 10Hz static millis_t next_check_axes_ms = 0; if (ELAPSED(ms, next_check_axes_ms)) { planner.check_axes_activity(); next_check_axes_ms = ms + 100UL; } To fix the problem it needs to be changed to this. // …