$ colprof -v -D"Printer B" -qm -cmt -dpp -kr 2530Total ink limit being used is 250% No black ink limit being used No of test patches = 1053 Estimating white point Approximate White point XYZ = 0.000000 0.000000 0.000000, Lab = 0.000000 -0.000000 -0.000000 Creating optimised per channel curves Initial White Point XYZ 0.000000 0.000000 0.000000, Lab 0.000000 -0.000000 -0.000000 About to optimise temporary matrix ........ About to optimise input curves and matrix . About to optimise output curves and matrix . About to optimise input curves and matrix again .. About to optimise input, matrix and output together . About to adjust a and b output curves for white point About to create grid position input curves Create final clut from scattered data ********************************************************************** Doing White point fine tune: Before fine tune, WP = XYZ 347348064625657.500000 383990347474549.125000 513143209913970.000000, Lab 8431352.903721 -765112.862137 -2536127.564791 After fine tune, WP = XYZ 0.000085 0.000094 0.000129, Lab 0.085226 -0.024625 -0.095890 Creating fast inverse input lookups Compensate scattered data for input curves White point XYZ = 0.000085 0.000094 0.000129, Lab = 0.085226 -0.024625 -0.095890 Find black point K only value (Lab) = 0.249304 0.151327 0.301622 Black point XYZ = 0.000007 0.000016 0.000018, Lab = 0.014174 -0.031996 -0.009775 Done A to B table creation Setting up B to A table lookup Creating B to A tables Rev cache RAM = 2062 Mbytes There is 1 rev cache instance with 2062 Mbytes limit colprof: Error - rev: bwd vertex 0 is not prime or secondary $ ll total 212548 -rw-rw-r-- 1 rick rick 93249 2008-11-06 13:18 2530_01.cht -rw-rw-r-- 1 rick rick 9897 2008-11-06 13:18 2530_02.cht -rw-rw-r-- 1 rick rick 0 2008-11-06 14:50 2530.icc -rw-rw-r-- 1 rick rick 12968852 2008-11-06 13:19 2530.prn -rw-rw-r-- 1 rick rick 170541 2008-11-06 13:18 2530.ps -rw-rw-r-- 1 rick rick 59958 2008-11-06 13:05 2530.ti1 -rw-rw-r-- 1 rick rick 64842 2008-11-06 13:18 2530.ti2 -rw-rw-r-- 1 rick rick 69092 2008-11-06 14:25 2530.ti3 -rw-rw-r-- 1 rick rick 315 2008-11-06 14:25 NOTES -rw-r--r-- 1 rick rick 101916876 2008-11-06 13:41 Scan10001.TIF -rw-r--r-- 1 rick rick 101794380 2008-11-06 13:41 Scan10002.TIF -rw-r--r-- 1 rick rick 219236 2008-11-06 14:12 scanner.icm $ Fedora 9 on i386. Version 1.03. Used scanner (Canon LIDE-70 @ 600 DPI). Followed printer CMYK tutorial exactly. But 2530.icc is 0 length. -- Rick Richardson