Home>Service&Support>FAQAfter completing CQCS3 installation, how to solve the problem if it display “! USB Device” or “! SCI USB2Serial (COM6)” when checking the communication port?

After completing CQCS3 installation, how to solve the problem if it display “! USB Device” or “! SCI USB2Serial (COM6)” when checking the communication port?

a. Right click "! USB Device" or "! SCI USB2Serial (COM6)", "Update Driver" -> "Install from a list or specific location (Advanced)" -> "Next" ->"Include this location in the search" -> "Browse", specify USB driver file path "CQCS3USB_Driver", click "Next". Then it will install successfully.

b.Detailed installation information please refers to "2.2 Installing USB Driver" in Color Quality Management System User Manual.doc.

Justin Lee

Senior Optical Engineer

15+ years in color measurement R&D, Holds 8 patents in spectrophotometry
This article is edited by Justin Lee, the website content writer of 3nh, who has 15 years working experience in the color management industry and often discusses with colleagues in R&D, marketing and production departments about the professional knowledge and application of color measurement devices, and has a deep understanding of the industry and products.
Please feel free to contact me to discuss more about your color measurement projects
service@3nh.com.

Justin Lee - Senior Optical Engineer

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