← All symptomsSafety stop: Stop the process if there is smoke, an electrical fault, a strong unfamiliar odor, melting, cracked glass, or evidence that the material is not heat-rated. Follow the equipment and blank manufacturer’s safety instructions.
Prioritized checks
Starting order
Confirm or weaken each cause before changing the next variable.
1
Lint, dust, or surface debris
Evidence that supports it
- Marks are random and may show fiber-shaped halos.
Evidence against it
- Marks repeat exactly from the transfer file.
Safe next actions
- Use a fresh lint roller and clean handling area.
- Inspect the transfer and blank under strong light before pressing.
2
Reused blowout or butcher paper retransferred dye
Evidence that supports it
- Marks match a previous job color or location.
Evidence against it
- Fresh protection paper was used above and below.
Safe next actions
- Use fresh protection paper for each pressing face.
- Clean the platen only according to the press manufacturer’s procedure.