There are many factors to consider when purchasing a printer, and resolution is just one of them. However, if you're looking for the best possible print quality, you'll want to choose a printer with a high resolution. Here are three of the highest-resolution printers on the market: 1. The Epson SureColor P90600 has a maximum resolution of 2880 x 1440 dpi. 2. The Canon imagePROGRAF iPF6400S has a maximum resolution of 2400 x 1200 dpi. 3. The HP DesignJet Z5400 PostScript Printer has a maximum resolution of 2400 x 1200 dpi.