I finally got my Jinhao 599 to work. I haven't had a problem with others, but this Coral one I bought by itself just was not writing. I used the converter and inked with Noodler's Baystate Concord Grape and it looks like it is coming to life. I will keep this pen inked with very wet ink and see what happens - I am afraid to tinker with the nib and feed just yet.