Circuit board 4.2.7What firmware to use? There are a number of versions on the Creality site. I chose the one that included the BL Touch block because I installed it. This board goes where you think it will, turning your basic Ender 3 into an Ender 3 Pro with all the upgrades and upgrades as listed. The hardest part is installing and removing the old circuit board. I had a 4.2.2 board but wanted to make sure I had the best board for BL Touch. Check out my review of this fiasco. Everything on this board is clearly labeled, but be sure to snap some photos to make sure the correct wires are back. The printer was very quiet and I will be able to upgrade it. screen if I want. I've heard of loose solder joints but haven't encountered them yet. If you're looking to upgrade your board, this is for you. . . until the next one comes. I installed it on my E3+ with no installation problems. Connect each connection like the ones you take out. Take a photo or two with your phone to be sure. I've personally labeled the head of each connection 1,2,3, etc. so I know which is the correct one in case they twist or twist you. But that's just me. Quiet, smooth and ready to go. Board swap is good. Anything else can get in the way. Insider Tips. EACH connector is glued with hot glue. Use your HG gun or soldering iron to remove. Make sure you select the correct firmware and any other add-ons or upgrades you would like. This is the hard part.
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