Recent content by stlfatboy

Using make flash command(follows offical flash guide)

New display board returned from seller works well. It may be a hardware failure. ...The end...

maybe that error is related to it cannot leave dfu mode

Thanks for the reply, I returned the display board to seller

I found that if I enable bootloader to 4KB in the config, it will leave dfu mode after flash. But still boot to dfu if I press reset

#lsusb Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 007 Device 049: ID 0483:df11 STMicroelectronics STM Device in DFU Mode ... #make flash FLASH_DEVICE=0483:df11 ... sudo dfu-util -d ,0483:df11 -R -a 0 -s...

Same result here with no i2c and spi bit-banging, still boot into dfu mode

I have tried both, same result

Still no luck with these configs Maybe it is a hardware failure?

I had tried like 20+ times. There is only once it successfully booted and recognized by klipper.

yes, the jumper is removed.

Follows flash guide from voron hardware github repo, but ls /dev/serial/by-id/* not showing the device. Found it boot into DFU mode again. Using 0.12 klipper Detailed log can be found here

Thanks for the reply. I'm using siboor R0 kit with fly gemini v3, with default cfg from voron repo. Yes, sensorless homing works ok before (this printer was leaved unused for like 3 months). Grub screw is locked, belt tavels with no problem. But during x gantry push back test, some slightly...

Sometime an auto home(start a print job) will let the homing position not in center (as if the head shift 60mm to the left side of the bed), and bumping the left side while printing. I have to do a manual homing before printing. Also, layer shifting occurs during a 7 hours job. it goes in...