Color Gradation adjustments or calibration Km 8series
To calibrate colors on a Konica Minolta bizhub 8-Series machine (e.g., C258, C308, C368), press the physical Utility/Counter button and log into Administrator Settings with your password. Navigate to System Settings ->Expert Adjustment ->Quality Adjustment -> Stabilizer and run the stabilization cycle first. Next, return to the quality menu and select Gradation Adjustment. Choose Copy or Print, tap Test Pattern, and press Start to print the calibration sheet. Place this pattern face down on the scanner glass, align it to the reference marks, and press Start to scan and automatically fix color depth.