When it fails auto-color mismatch, it is failing setting up color registration. Itb wandering, patch readers dirty possibly...broken shutter(usually throws E020s though) Print a grid(test 6 I believe) and look at it with a loupe..probably see colors misaligned. Clean inside of itb and all its drive rolls and internal secondary roll. Might need to replace belt. I've had lasers cause this also..usually itb associated