How to fix doctor blade streaking on a Bobst MASTER M5 Flexo Press
Doctor blade streaking produces ink lines or streaks in solid print areas. Replace the blade, verify blade material matches the ink system, and check anilox roll cleanliness.
~30 min7 steps
How to fix ink density variation on a Bobst MASTER M5 Flexo Press
Ink density variation is most often caused by an inconsistent anilox roll, ink viscosity drift, or doctor blade wear. Check anilox condition, ink viscosity, and doctor blade loading before adjusting press settings.
~45 min7 steps
How to fix print registration error on a Bobst MASTER M5 Flexo Press
Registration error between print colors is caused by web tension variation, plate mount error, or driven roller slip. Check web tension, verify plate position, and inspect all drive rollers before re-registering.
~45 min7 steps