Drop Out Ink

someone Please help, we have been supplying printed material to banks that has them printed with Drop Out Inks that is to guide the customers to write in a particular area but will not be show on the scanned copy. we need to have a tester or some error free method to check the density so that the banks do not reject the which has happen a few times now. please advise..

 

Do you mean security ink?

 

hi sir

if you just want to test the density of the ink applied you can use a densitometer, there are several brands on the market I can offer x-rite as a company