Digital BW, The Print

Hi, 

I'm new to the list and am wondering about the following: I've just bought a NK7 inkset from 
Jon Cone for my Epson R1800. The printer is actually running with original Epson's carts and 
my question is: what is it supposed to be done before, during and after the ink carts 
replacement ? 

Thanks in advance

Pablo
www.pablokolodny.com