HOW CAN I FIX A TAG IN MY EPSON R200?

I USE AN EPSON STYLUS PHOTO R200 FROM 2004 AND PRINTED COLOURS ARE WRONG. A CHECK WITH COLOUR SYNC UTILITY TELLS ME "TAG DMND SIZE IS NOT CORRECT AND CANNOT BE FIXED AS THE FILE IS LOCKED". HOW CAN I SORT THIS OUT PLEASE? I USE AN APPLE G5, BY THE WAY.
MANY THANKS.
TREVOR POPPLE, February 2009
link Click here to see other fixes for Apple Stylus.