In the practical printing environment, operators evaluate Gray Balance using standard control strips or gray patches printed on the sheet. When these patches appear neutral without any color bias (such as yellowing or redness), it confirms that the CMY Values (Cyan, Magenta, and Yellow ink quantities) are accurately balanced. Any color shift indicates an excess or deficiency in one of the inks. Modern print control systems often utilize numerical methods, such as the G7 Method, which is the industrial standard for evaluating and controlling neutral gray; this method effectively reduces error and guarantees consistent quality in long print runs.

Maintaining Gray Balance is essential for achieving consistent outputs. The CMYK Control systems not only measure ink densities but also detect the smallest deviations, preventing color drift throughout the process. This directly contributes to waste reduction and ensures that printed outputs maintain the necessary color uniformity across various substrates.