Just tried it with some allstar yellow and hellfire orange and still the issues remain.probably are, again my bad sorry, hmm i swear that the empire reloader b's had trouble registering purple paint, they even bought out a "Night loader" to sort it http://www.store.justpaintball.co.uk/hoppers-loaders/empire/empire-reloader-b-night-loader.html perhaps you should try a different colour paint if that is the case? (read the product description)