Ender 3 Max - Settings and Advice
Posting this so others with the Max can bypass much of the initial trial and error phase of finding the right settings.
Replace stock extruder arm for a dual tooth extruder, something like a BMG clone, it will solve many headaches and is worth the price even if you didn't have the Chameleon.
Here is a decent tip shaping code, it gets good tips most of the time, could use a little tuning probably.
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G0 E-80 F4000 ; quickly retract the filament to shape it
G0 E-10 F600; slowly allow it to cool
G0 E1 F2000 ; blob elimination
; back to tip size
G0 E-80 F4000 ; quickly retract the filament to shape it
G0 E-10 F600; slowly allow it to cool
G0 E1 F4000 ; blob elimination
G0 E-60 F4000 ; quickly retract the filament to shape it
G0 E1 F4000 ; quickly ram the filament to shape it
G0 E-40 F4000 ; quickly retract the filament to shape it
G0 E1 F4000 ; quickly ram the filament to shape it
; back to 1.8 constriction
G0 E-30 F4000 ; quickly retract the filament to shape it
G0 E-70 F100; slowly allow it to cool
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3. If you replace the stock bowden tube with a capricorn, your extruder to nozzle is 450mm.
4. Loosen the Y adapter screws, all four of them, by half a turn.