- Check that the black trap is clean and well positionned.

- Check that the Checkbox Autozoom is ticked in the calibration window. When the Autozoom is not ticked, the instrument does not recognize the aperture and if the user changes it, the instrument will not focus on the hole. This will give an error.

1. Error 23021: Communication to instrument failed! Please check power and connection.
2. How can I verify instrument communication to my Datacolor software?
3. Where can I find documentation for the Elrepho 3000 family of instruments?
4. I get an error "Not enough storage", when trying to measure a sample on my Datacolor Check.
5. What is Gloss Compensation?
6. What spectrophotometers or instruments can be used in Datacolor software?
7. During the Back trap calibration, the instrument does not flash and the software quickly asks for the White tile.
8. Missing calibration file on Mercury/Check.
9. Proper care of the calibrating tile
10. Most of the colors are too yellow in the Spectral Test.
11. Datacolor Gloss Compensation
12. Measurement of the green diagnostic tile failed.
13. Spectrophotomers - Tips for Optimal Performance
14. How do I reset the PDA? (application hang, dead PDA, unreadable screen)
15. Inter-instrument agreement-Software to the Rescue
16. What does status code 00211 mean on the LCD display of DC 500 and 800 series spectro