Mixing Hotend Custom G-Code -> ! Internal error on command:"G1"

[Sineos]

There is no log attached.
Never done this but I guess some sort of extruder sync is needed:

ACTIVATE_EXTRUDER EXTRUDER=extruder
SYNC_EXTRUDER_MOTION EXTRUDER=extruder1 MOTION_QUEUE=extruder

Not directly related but you may want to check:

X-In/1-Out Non-Mixing Extruder Config

The following configuration is an example of an X-In/1-Out Hot-End such as: Or a multi-in splitter such as: 2-in/1-Out: G1/8 "Y-piece" 1.75mm dual extusion upgrade (prometheus system) ( 1/8PT ) by SilasPfeifer - Thingiverse 4-in/1-Out: 4 in 1 out multi filament upgrade M5 by SilasPfeifer - Thingiverse This configuration works with the following Klipper Version/Builds: v0.10.0-312 v0.10.0-320 v0.10.0-333 v0.10.0-368 v0.10.0-377 v0.11.0-5 v0.11.0-6 v0.11.0-14 v0.11.0-30 v0.11.0-41 …

Switching between extruders

Slicer Modifications - SuperSlicer. Printer Settings Name your extruders in the slicer similar to Klipper; extruder, extruder1, etc. [image] [image] Modify custom start g-code to include: ACTIVATE_EXTRUDER EXTRUDER=[tool_name] This will make sure that you have the correct stepper extruder chosen when printing starts. [tool_name] is linked to #1 above. [image] Check-box for Single Extruder Multi Material. This will remove the T# in the M104 commands. [image] The above works …