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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
Visual repair reference for colour contamination between multi-colour filaments
A small representative test no longer shows the original symptom.
First safe actionRun the first safe check and change one variable at a time.
Proof targetA small representative test no longer shows the original symptom.
Controlled tests logged0
Verification resultNot recorded
Machine and material context

Record the setup that produced this result

Saved only in this browser with the repair. Nothing is uploaded.

Optional visual proof

Add before and after photos for this report

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One variable at a time

Controlled test history

No controlled tests have been logged yet. Return to Workshop Mode and record each change before running another test.
Repair sequence

Step completion

  1. 1
    Confirm the nozzle and hotend are clean and suitable for the materials.Not completed
  2. 2
    Print a transition test for the actual colour pairs.Not completed
  3. 3
    Increase purge volume only for the worst transitions.Not completed
  4. 4
    Use a purge tower, purge object, or infill purge where supported.Not completed
  5. 5
    Sequence colours from light to dark when design allows.Not completed
  6. 6
    Avoid mixing materially incompatible filaments in one hotend.Not completed
  7. 7
    Reduce excessive temperature that increases oozing and mixing.Not completed
  8. 8
    Verify the final object has no contamination in critical visible areas.Not completed
Private workshop notes

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.
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