This product is either discontinued or we cannot get that from suppliers.
DATAMAX-ONEIL KJ2-00-0N000007, Maximum print width 4.25 inches (108mm), Resolution 203dpi (8 dots/mm), Max Print Speed 10ips (254mm/s), Print Lenght range 0.25 – 99 inces (6.35mm – 2,514.6mm), Media type 203.2mm O.D on a 76.2mm core; 177.8mm on a 38.1mm core, 0.0635mm – 0.254mm Media thickness range, USB 2.0 and serial RS232 Connectivity, 8MB Flash / 16MB DRAM Memory.
The M-4210 industrial barcode printer is one of the middle in the M-class range of the industrial label printers. The Datamax M-4210 has double the memory of it’s little brother (the M4206), a 150MHz processor, and 10″ per second print speed or 254 mm per second.