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3D Printing with RepRap Cookbook by Richard Salinas

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Appendix A. Understanding and Editing Firmware

Firmware is a program code that is stored in the CPU of a 3D printer's controller. It provides a set of instructions on how the printer works mechanically. Most of the time, the contents of a firmware package uploaded to the controller only need minor adjustments to work properly. These adjustments make minor changes to the values in the source code. These values will specify the hardware and calibrate your particular machine.

Most companies selling 3D printers fully assembled and in kit form provide edited versions of popular firmware for their machines. In most cases, if changes are needed to be made, it is probably better to follow the instructions on their website. Sometimes, these companies don't ...

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