The NEW GENUINE XEROX 006R04376 BLACK Toner is a high-quality printer accessory designed specifically for Xerox printers B305, B310, and B315. This laser print technology toner cartridge in black color is compatible with the B310 model and comes in a sealed box to ensure its authenticity and freshness. With dimensions of 13.2 inches in height, 3.7 inches in length, and 6.6 inches in width, this genuine Xerox product guarantees reliable and crisp black printing results for your documents and images. F4