This replacement printhead from Javelin for the DNA, J200i, J200iF, J230i, J230iF
is field upgradable.
It's cleverly designed simple push and twist action means you can fit this replacement part easily yourself within minutes and without tools.
If for example your printed card is showing thin white lines running across your card/image, then it's time to replace it.
Thin white lines are caused by dead pixels which can not be repaired.
All Javelin spare parts carry a 6 month warranty.