Changing filament at a given layer?

• Neptune_3

  30 71 3.3 C++

  source code

My first attempt with the M600 code did nothing, the M600 command was ignored. For my second attempt I tried using the M117 + M0 code, the head moved away from the print, but then started printing again right away. The print continuation was not quite aligned and the print failed (filament being deposited was not attached to the main print). I have some questions: a) The closest post I could find was, https://www.reddit.com/r/ElegooNeptune3/comments/10csnsj/filament_layer_change_what_is_the_current_best/ which suggested using M117 before M0. I used that in my M0 attempt. The screen indeed did change modality, but unclear if the M117 helped or not. Just using M117 and M0 was not enough to make things work for me. b) The first thing I did after assembling the printer was updating the firmware (both screen and board). The board firmware binary file path indicates version V1_1.0.5-Beta (latest version indicated at https://github.com/NARUTOfzr/Neptune_3) however after the "updating firmware" screen, the screen UI still indicates firmware 1.0.2; is this expected or I have not successfully updated the firmware? c) I am sending my prints to the printer via the Mintion BeagleCamera ( https://www.mintion.net/beaglecamera ) does this somehow affect the behaviour of the M0 command ? Should I only use the SD card when trying to have pauses in the print? Being able to introduce more than one color in a print would significantly expand the realm of possibilities. Help and suggestions most welcome.

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