Thanks an answer. If possible please info a little bit in details
according to Ghostscript. Does it posible to separate CMYK and then
RGB or CMYK again?
Do you planing APFill version with RGBCMYK
Does it possible to use APFILL program with 7 collar model RGBCMYK?
This colar model is used in the OCE CPS800/900 printer. Perhaps it is possible to recalculate by means of coefficients. Sorry bad English.