Upgrade design with 1.5mm narrow side and 77mm width, increase effective printing area by 13%, providing better reading experience.<br />Original printer head with ceramic material, offer intelligent temperature control and HD printing image with high resolution.<br />No cartridge and ink are needed. Enjoy long life span which can print up to 7000 rolls of paper.<br />Low noise printing with built-in upgrade structure, no worry about disturbing others even using in public areas. ">