This gray lower paper tray is an optional accessory for Brother DS, Brother MFC, Brother HL, and Brother HLL printers. It has a total paper capacity of 520 sheets and is compatible with various Brother models such as HLL5200DW, HLL5100DN, and MFC L5800DW. The tray is designed to hold sheets of paper securely and efficiently feed them into the printer. This tray is perfect for those who need an additional paper tray for their printing needs. It is easy to install and use, and will provide a seamless experience for printing enthusiasts.