Pure Primaries - If your Fiery Server supports this setting, it outputs the primary colors in a job (C only, M only, or Y only) as primary colors, using only a single colorant. The result is pure-looking primary colors, with minimal banding in gradients.

Pure Primaries compromises overall color accuracy. Do not use Pure Primaries if color accuracy is important.

Quick - If your Fiery Server supports this setting, it applies one-dimensional transfer curves to adjust output densities in the cyan, magenta, yellow, and black channels. This technique leads to eye-pleasing color output because pure primary colors are not contaminated by other colorants. Do not use Quick for final documents that are used as press proofs. Other methods offer better color accuracy.

Full (Source GCR) - Uses the black generation specified by the CMYK Source profile. Colorimetric accuracy is reduced. This method can be used to preserve pure black without converting it to CMYK. However, the Gray (CMYK) option is more typically used to preserve pure black. The black generation level that was specified in the original (source) document is approximated.

Full (Output GCR) - The recommended method when color accuracy is required. This method provides a complete and accurate simulation based on colorimetric transformations. With this method, all CMYK data is reproduced using the black generation specified by the output profile.