Compatible with: Microline 120, 172, 180, 182 Plus, 182 Turbo, 183, 184 Turbo, 186, 192 Plus, 193, 194, 195, 240, 280, 320 Turbo with CSF, 321 Turbo with CSF, 388, 3320, 3321, 5320, 5330, 8320, 8330, Oki 120, Series 50, 425D, 425S Color: Black For best results, store in a cool, dry place. Use within 24 months of purchase for optimal performance. Please contact us first with any product issues. We want all of our customers to be happy because happiness matters. Compatible Okidata 52102001 (12 pack) Black Printer Ribbon Cartridges for use in Okidata Microline 120, 172, 180, 182 Plus, 182 Turbo, 183, 184 Turbo, 186, 192, 192 Plus, 193, 194, 195, 240, 280, 320, 320 Turbo, 320 Turbo with CSF, 321, 321 Turbo, 321 Turbo with CSF, 388, 3320, 3321, 5320, 5330, 8320, 8330, Oki 120, OKIPOS Series 50, 425D, & 425S