Private on-device repair evidence
Colour Contamination Between Multi-Colour Filaments
Increase purge only where needed, use suitable transition order, clean the nozzle, and separate heavily contrasting or translucent materials with a tuned purge.
Not started0 of 8 stepsNot yet saved

Record the setup that produced this result
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Controlled test history
No controlled tests have been logged yet. Return to Workshop Mode and record each change before running another test.
Step completion
- 1Confirm the nozzle and hotend are clean and suitable for the materials.Not completed
- 2Print a transition test for the actual colour pairs.Not completed
- 3Increase purge volume only for the worst transitions.Not completed
- 4Use a purge tower, purge object, or infill purge where supported.Not completed
- 5Sequence colours from light to dark when design allows.Not completed
- 6Avoid mixing materially incompatible filaments in one hotend.Not completed
- 7Reduce excessive temperature that increases oozing and mixing.Not completed
- 8Verify the final object has no contamination in critical visible areas.Not completed
Observations and winning values
No notes recorded.
Verification test
- Model
- Small representative test print
- Setup
- Use the same printer, material, slicer and key settings as the failed model.
- Pass
- The original symptom is absent and the target feature is repeatable.
- If unchanged
- The symptom remains in the same location or stage.

