I1profiler - 311

i1Profiler is X-Rite’s industry-standard software for professional color calibration and profiling, designed to ensure accuracy between digital displays and physical print output. The software features basic and advanced modes, offering comprehensive tools for monitor, printer, and projector profiling alongside features like Optical Brightener Compensation (OBC). For more information, visit

Issue 1: "Instrument not found" on USB-C Hubs

Solution: i1Profiler 311 is sensitive to USB bandwidth. Do not plug your i1 device into a generic USB-C dongle. Plug it directly into a USB-A port on your motherboard or use the Apple Thunderbolt 3 to USB-A adapter. Disable USB selective suspend in Windows Power Options. i1profiler 311

2. Key Features in Version 3.11

2.1 Display & Projector Profiling

• New Calibrite Display HL support (High Luminance for HDR and high-brightness monitors).
• Video presets: Rec.709, Rec.2020, DCI-P3, DCI-P3 D65, and BT.1886.
• HDR profiling (limited to brightness measurement, not full HDR ICC workflow – that requires Calibrite Profiler or DisplayCAL).
• Adaptive display control for automatic brightness and contrast adjustment during measurement.

Registration and Support: Users are encouraged to register their products at the X-Rite Registration Portal to access the latest software updates and technical assistance. New Calibrite Display HL support (High Luminance for

i1Publish Software Upgrade: $1,900.00 directly from X-Rite to upgrade legacy solutions like i1Match or ProfileMaker. Registration and Support : Users are encouraged to

For those working with backlits or films, this version significantly improved scanning quality and reliability when using the i1Pro 3 PLUS Stability for CMYK+N Workflows: It addressed critical bugs where measurement reference workflows for multichannel data could not be saved. Why Calibrate at All?

Control Your Environment: Dim the lights. High ambient light hitting the sensor during a monitor read can skew the results.