CR10 V2 Seems functional but will not recognize SD card or PC connection - eviltoast

A friend of mine had a Creality CR10 V2 which he purchased some time ago. Evidently it had a bad board in it and he received a replacement but never got around to installing it.

I now have this printer and have replaced the board in it. I have tested the movement along each axis and tested the extrusion. Everything looks to me like it should be ready to go, but I haven’t been able to get it to recognize when an SD card is inserted or when I have a computer connected to it.

I’m a 3d printing newbie and I’m not sure where to go from here. Is it me? Am I doing something wrong? Or is it the printer?

Any advice or guidance on this would be appreciated.

Thanks!

  • rambos@lemmy.worldEnglish
    1·
    1 year ago

    When you connect printer to PC using USB cable you need (assuming you have windows):

    1. Driver for usb serial port(might be already installed, but check device manager. Look for guides how to install Arduino USB driver or maybe you can just install Arduino IDE which is not bad to have anyway
    2. Software to controll printer (pronterface, cura, etc)

    In software like pronterface you have to select serial port (1.) and correct baudrate. Baudrate is set in your firmware, but if you dont know you can try all possible options. Most likely 250000 or 115200

    If its not working try another USB cable. USB cable can be a pain, make sure you dont guide it close to stepper motor wires or some other electrical equipement. Get quality cable and not too long, even if its working it can cause problems.

    Its better to use SD card to avoid USB problems, but SD card must be formated as FAT32 within size limits of your printer board. Just in case, make sure you dont have weird symbols and file name is not too long, use simething like filename.gcode. And again, use quality SD cards.

    Both ways should work, but you can make extra step and get device like raspberry pi and connect it to a printer with usb cable. Raspberry can be connected to your network and you can install software like octoprint (super nice web UI for controlling your printer)