Steps are per colour; one colour does not affect others.
1 Empty the tank. 2 Pull ink out through the damper until empty. 3–4 Optional: ~200 ml UV cleaning liquid in the tank, then pull it out. 5 Fill new ink. 6 Pull ink with damper outlet facing up until the damper is full. 7 Refit damper. Repeat for each colour. 8 Load ink ~20 seconds, then clean.
ICC may need to change: F2-UV https://cncu.co.za/FastCOLOUR-Printer/FastCOLOUR%20Premium%20UV%20Ink%20ICC%20Profile/ — H-UVDTF https://cncu.co.za/directTOFILM-UV-DTF-Printer/FlexiFlow%20UV-DTF%20Ink%20ICC%20Profile/