⚠️ Always verify you have the latest version before use. Printed copies are uncontrolled.

| Step | Action | Success Criterion | |------|--------|------------------| | 1 | Run diagnostic CJS-QC-18W on sample set | No error code > 403 | | 2 | Compare output against reference range R-18W | Within ±1.5% tolerance | | 3 | Log result in qc18w_log with timestamp | All fields completed | | 4 | If deviation > tolerance → escalate per Section 5 | Escalation recorded |

Immediate cutoff if a fault is detected.