i'm having issue indesign cannot fathom. apologise if blazingly obvious, don't use indesign full time , i'm self-taught. i seem having issues colours on files. files should same either copies of original file, use same template or package, happening files , blue looking, , printing, more turquoise. i created file design roller banner our business @ recent roadshow. when happy packaged files send printers. when printed colour not expected. blue more turquoise , not @ expected. so, reviewed computer first rather blame printer (which first point people try make). this, noticed on recent files preview colours off , blue horrific turquoise. yet had made no changes other name of file. however, when open files same; i'd never have noticed when working on them. in file preview top line, files 1, 3 , 6 correct colour. originally thinking packaging file @ fault tried save file new name ' file> save as', , same issue occurring. can see file previews attempts @ w...