How X-Rite Improves Print Quality Control

Print quality control encompasses a broad range of checks - registration, dot sharpness, trapping, ink lay - but colour is at its centre. Getting the colour right is the single most common cause of print quality disputes, reprints, and customer complaints. X-Rite's instruments and software improve print quality control by bringing objectivity, consistency, and systematic documentation to the colour measurement aspects of print quality management - replacing the variability of visual inspection with the precision of spectrophotometric measurement.

The improvement begins at press setup. Traditional makeready relies on the press operator's experience and visual judgement to bring colour to an acceptable state before production begins. This is slow - experienced operators still take multiple adjustment cycles to achieve a visual match - and inconsistent, because different operators have different standards for "acceptable." With an X-Rite spectrophotometer at the press, makeready becomes a guided process: the operator measures each colour against the stored target, sees the Delta E value, and adjusts until every measured colour is within the tolerance specification. The setup is complete when the numbers say it is complete, not when someone decides it looks right. This approach consistently reduces makeready time and waste while producing a more reliable starting point for the production run.

During the run, X-Rite measurement maintains colour within tolerance through the inevitable process variations that affect colour on press - temperature changes, ink viscosity drift, substrate moisture variation, and roller pressure fluctuations. A press operator checking colour every 500 sheets with an eXact 2 spectrophotometer will catch colour drift within the first few sheets of it developing, make a small adjustment, and bring the press back on target before any sheets fall outside specification. A press operator relying on visual checks every 1,000 sheets may not notice drift until it has persisted for several thousand sheets - by which point significant waste has accumulated.

Density Control and Spectrophotometric Integration

One of the practical advantages of modern X-Rite press instruments like the eXact 2 is that they combine density measurement with spectrophotometric colour measurement in a single instrument. Press operators who have built their quality control practice around density readings - a familiar and proven approach for process colour management - do not need to abandon this approach when switching to spectrophotometric colour management. The eXact 2 provides density readings alongside spectrophotometric data, allowing operators to use both measurement types within the same workflow and transition gradually from density-focused to colour-focused quality management as their skills and the customer requirements evolve.

This integration is practically important because density control remains a valuable process control tool even when spectrophotometric colour verification is the primary quality criterion. Density data helps press operators diagnose process problems - identifying whether a colour deviation is caused by too much or too little ink - while spectrophotometric ΔE data tells them whether the resulting colour meets the specification. Having both types of data available from a single instrument makes quality management more efficient and more informative.

Reporting and Documentation

A critical component of print quality control that is often undervalued is documentation. When colour is verified visually, the quality record is a signature on a job sheet - providing no objective evidence of what the colour actually measured. When colour is verified with an X-Rite spectrophotometer, the quality record is a structured dataset showing the measured L*a*b* values, the target values, the ΔE result, and the pass/fail status for each colour measured at each inspection point throughout the job.

This documentation serves multiple purposes. For brand owners who require measurement compliance records as a condition of payment or a condition of supplier qualification, X-Rite measurement data provides the required evidence. For quality managers analysing colour performance across multiple jobs and time periods, the stored measurement data provides the historical record needed for trend analysis and continuous improvement. For businesses managing colour disputes with customers, the measurement record provides an objective, documented basis for resolving disagreements. The Color iQC software manages this documentation systematically - generating professional reports, storing measurement history, and supporting the quality management workflows that serious print operations need.

Conclusion

X-Rite improves print quality control at every stage of the production process - from measurement-guided makeready through in-run monitoring to documented final verification. The combination of press-side spectrophotometers, density measurement capability, and quality management software provides the complete toolkit for systematic, objective print colour quality management. For Australian commercial and packaging printers who take quality seriously, X-Rite measurement is not an upgrade to their existing quality control - it is the foundation on which genuine quality control is built.