CP-8831: This is the model number for the printer.EU: This indicates that the printer is designed for use in the European Union.K9: This refers to the printer's connectivity options. It has a built-in Ethernet connector (K) and supports 802.11b/g/n wireless networking (9).The CP-8831-EU-K9 is a network printer that can be connected directly to a wired or wireless network, allowing multiple users to print from their computers without the need for a dedicated USB connection. It also supports Brother's own proprietary network protocol, called JetDirect, which allows for faster and more reliable printing over a network.In terms of specifications, the CP-8831-EU-K9 has a print speed of up to 24 pages per minute (ppm) in black and white, and up to 20 ppm in color. It has a maximum print resolution of 600 x 600 dpi, and can handle paper sizes from 57 x 82 mm (business card) up to A4 (210 x 297 mm). It also supports double-sided printing, as well as various finishing options such as collating, stapling, and booklet creation.