I tried colour printing for the first time this morning: Working in complete darkness isn't that difficult The colour safetorch from RH Designs helps a lot Getting a print that is 'getting close' didn't take too much paper The chemistry isn't offensive in a Nova slot processor. Most importantly there's a tremendous satisfaction from doing this! A bit green maybe? Just to say thanks to all who have answered my questions about RA-4 in threads and via pm. And also to tiberiustibz for his article that inspired me: http://www.apug.org/forums/forum221/58260-ra-4-printing-200-a.html I wish I'd tried this ten years ago!