Screen Printing Forum

I cant seem to get an opaque transparency I tried kinkos and tried my inkjet printer.
So while I was looking thru the settings in my print options I thought maybe if I add a little yellow, red, or both to
the black to block the UV rays that might otherwise make it thru.

Any thoughts on this?

I looked at the uv opacity of inks a while back (Epson Ultrachrome), the black was densest, followed by the yellow and then the cyan & magenta. Monochrome black is the best, there have been some RIPs adding yellow K3 ink to the photoblack to boost density on printers like the 7800/9800.
More black is generally the way to go.