1) Three types of BJ cartridges are available. · Pigment ink is adopted for the black cartridge and color cartridge, realizing modulated, high-density text printing. · High-quality printing, up to 1440 ´ 720 dpi, is achieved by drop modulation technology adopted for the Black, Color, and Photo BJ cartridges. · Separate BJ cartridges and ink tanks for all colors makes lower running costs possible. Black BJ Cartridge (optional): 160 nozzles Separate ink tank (Pigment Black) Color BJ Cartridge: 192 nozzles, Bk, C, M, Y (48 nozzles´4) in a vertical line Separate ink tanks for all colors (Pigment Black, Cyan, Magenta, and Yellow) Photo-Color BJ Cartridge: 192 nozzles, PBk, PC, PM, Y (48 nozzles´4) in a (optional) vertical line Separate ink tanks for all colors (Dye Photo-Black, Photo-Cyan, Photo-Magenta, and Yellow) 2) Ink-out detection function with both optical and dot-count methods; transparent ink tanks enable visible confirmation. 3) USB and IEEE 1284 compatible 8-bit parallel interfaces. 4) Two buttons (POWER, RESUME), cover sensor, two-color LEDs (green/orange), with no beeper. 5) Optional scanner cartridge with maximum readout resolution of 720´720 dpi also available.