On August 8, Ninestar announced that it has developed “a practical, reliable, and affordable solution” for replacement ink bottles used in Epson’s newly launched SureLab SL-D500 series printers designed for printing 10 ×15 cm (4 × 6-inch) simplex and duplex photos, calendars, and cards. Epson introduced the printers in February, according to a LinkedIn product announcement.