These printers use the UX-3CR cartridge:

Sharp FO 90 X

Sharp FO 720

Sharp FO 730

Sharp FO 760

Sharp FO 765

Sharp FO 770

Sharp FO 775 L

Sharp FO 780

Sharp FO 781

Sharp FO 785

Sharp FO 880

Sharp FO 885

Sharp FO 9000

Sharp NX 100

Sharp NX 530

Sharp NX 670

Sharp UX 300

Sharp UX 300 M

Sharp UX 305

Sharp UX 310

Sharp UX 320

Sharp UX 330 L

Sharp UX 340 L

Sharp UX 340 LM

Sharp UX 345 L

Sharp UX 355 L

Sharp UX 370

Sharp UX 460

Sharp UX 465

Sharp UX 465 L

Sharp UX 470

Sharp UX 645 L