Give it to a gunsmith
Take it to a gunsmith
Not meant to be repaired by the user.
Not economically feasible.
Fix and/or repair
Without knowing what is broken, we can't tell you how to fix it.
Tattoo guns are not firearms.
Take it to a qualifed gun smith.
Take it to a qualified repair shop
Leave it to a trained professional
u buy another one
You need to state the model and what is wrong with it.