Some settings (like corexy setup,variable spindle) needs to be changed trough the config.h. You find the config file in the arduino library folder for grbl. The file has instructions and should be pretty straight forward to edit. When you have edited the config file you need to reupload ...
Many users work with the machine for 8 to 10 hours a day. In fact, The damage to the laser tube and other key components is very large. The laser tube that should have been used for more than one year was scrapped after half a year. So how long should the laser tube work continuou...