4 Black High-Density Inks Compatible With Riso S-4386 – For Risograph S4386 RP3700 RP3790

Keep your Risograph running with this 4-pack of black high-density inks.

They're compatible with Riso S-4386, S4386, and fit models like RP3700 and RP3790.

Made by Wholesale Widgets Inc., these are brand new, recently manufactured, and ready to use.

Each pack contains 4 ink tubes.

They're for digital duplicators, not standard printers.

Comes with a 1-year warranty, so quality's covered.

UPC 702840014574.

If you're printing newsletters, flyers, or bulk materials, these blacks will keep your output crisp and consistent.