Zebra S4M product highlights Direct thermal and thermal transfer Die cast metal frame with sheet metal enclosure Parallel, USB1.1 and RS-232 serial interfaces 203dpi or 300dpi resolution options Maximum print width of 104mm Maximum print speed of 152mm per second EPL or ZPL programming language options Full size rolls of up to 8" maximum diameter on a 3" core (less stopping to change labels and wider choice of labels available from stock) Full size ribbons of 450m long (less stopping to change ribbons) Return to Zebra S4M page or download the SM4 spec sheet as a PDF