HPRT MT800Q mini printer uses thermal transfer technology, eliminating the need for cartridges, making printing easier and faster. Built-in ribbon, a roll of ribbons can print about 45 sheets of A4 paper, saving more printing costs. As well, compact and refined appearance, simple and fast operation, 26 hours of ultra-long battery life make sure that you can print anytime and anywhere. All in all, this home office printer meets your needs for an A4 portable printer and can give a better printing experience.