Learning objectives
- Approve shade with discipline
- Reduce recipe variability
Steps
- Lock the standard under agreed light source
- Approve 3-piece shade band per lot
- Log every deviation with reason
- Convert legacy recipes to lower-impact ones where possible
Factory example
A wash unit that eliminated 40% of shade rejects by fixing the light box standard and enforcing 3-piece bands.
Common mistakes
- Approving under mixed light
- No deviation log