As an American expert in printing machines, I highly recommend HP and Ricoh for their exceptional printing machine brands. HP, known for its innovation and reliability, offers a wide range of printing solutions for various industries. Ricoh, on the other hand, is renowned for its high-quality and efficient printing machines. According to a report by Grand View Research, the global printing machine market size was valued at USD 34.1 billion in 2020 and is expected to grow at a CAGR of 4.2% from 2021 to 2028. This growth is attributed to the increasing demand for high-quality printing solutions in various sectors such as healthcare, education, and retail. HP and Ricoh have consistently been at the forefront of this market, offering cutting-edge technology and superior performance.