Kingroon KP3 Firmware-Download

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@Les
We’re so sorry for the problem you met. We have reflected your problems to our product team, we would improve this as soon as possible. So sorry for the inconvenience.

Working on a mechanical problem, one bad wheel, I accidently ejected the TF card and got a ‘no files found’ after a reboot. I downloaded the new firmware and while I can print, all the graphics are wrong. I have a STM3F103 chip. It used to matter which of two or three chips you had.

I too have the same problem as brett
“The latest firmware from March 5, 2022 seems to have reversed the X,Y, and Z direction of motion on my KP3-3DP180. The button on the screen that used to go up goes down. The print head goes up instead of down to the sensor that senses the bottom of the tray. Maybe a * -1 crept in to the source code somewhere. The little touch sensors to stop the motion never trigger as a result.”

Not sure how to fix it.

Too much going wrong since firmware upgrade. Too much time researching and trying to fix. Will be sending back. Not worth it.