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Noob with a Biqu B1 and BLTouch
(sh.itjust.works)
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this post was submitted on 30 Jul 2024
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I bought a bl touch a few years ago. Decent printer. I updated the firmware and added a bl touch. That's when it all went wrong. I now recommend staying away from biqu as their customer service is non-existent. To your problem, as stated by another commenter, get an updated firmware from biqu's site. I compiled my own, which may explain some of my issues. My initial issues came with the probe offset. I dug a deep line in my plate and took several attempts to realize that I need to change my offset only in the machine parameters, not in the abl menu.
Thanks for answering. Found a post on Reddit about getting the BLTouch working on stock firmware, it all went well until the printer stated that "unknown command m851".. I've looked at the firmwares on Bigtreetech's GitHub, but I found it just confusing. The newest I found there is older than mine. After all youtube videos I've watched and all reading i have done, none have mentioned that the offset parameter is just set in machine parameters and not ABL. Thanks for this.
That may have been a quirk due to compiling my own. I believe I did that because I found myself in a similar situation of not seeing a more recent firmware. If you decide to replace this one, I'd recommend an anycubic. Got a Kobra 2 NEO, and it works great straight out of the box. Similar price range, too, $150-$200.
Think I'll try to cook something up, flash it and hope to be able to recover from any failure.. Got the printer a week ago and paid like $80 for it. Looks like the bed isn't 100% flat and sinks a little in the middle so I should be great to have the BLTouch working. Not ready to give up in this one just yet.