2. Check the measurement options and click 'Measure'.[43] Measurement button3. Check the spectrometer and click 'OK'.[44] Spectrometer ready?4. Follow the instructions in the EFI Spectrometer window precisely.Perform the following actions per colour.■ Position the spectrometer at the blinking red cross above the column with colouredpatches.■ Hold down the spectrometer button and wait for the beep.■ Scan the column with patches slowly.[45] Measurement instructions5. Click 'OK'.[46] Measurement successful?6. Apply the calibration.■ Check 'Apply to all calibration sets' to use this calibration for all media.Chapter 4 - Printer calibration424.3 Calibrate the EFI controller