This Samsung ProXpress SL-M4020ND Laser Monochrome Printer is a high-quality printing solution for your home or office needs. With a maximum resolution of 1200 x 1200 DPI, it produces sharp and clear prints every time. The printer supports various paper sizes, including A5, A4, and A6, and can print up to 42 pages per minute.The printer features a duplex function, allowing you to print on both sides of the paper and reducing paper usage. It is also equipped with USB and AirPrint connectivity for easy printing from your devices. This Samsung ProXpress SL-M4020ND Laser Monochrome Printer is a reliable and efficient choice for all your printing needs.