Video Guide with subtitles in different languages.
Written Guide on the Bambu Lab Wiki: https://wiki.bambulab.com/en/a1-mini/...
Bambu Lab Support Website: https://bambulab.com/en/support
Timestamps
00:36 - Remove the back Toolhead cover
00:48 - Remove the USB-C cable from the print head
01:11 - Remove the Toolhead Board screws
01:28 - Disconnect the cables
02:05 - Remove the Toolhead board
02:23 - Attach the Toolhead Board to the housing
02:48 - Re-connect all the cables
03:40 - Install the TH board screws
03:56 - Re-connect the USB-C cable
04:20 - Install the print head back cover