ER-L42 is available in both direct thermal and thermal transfer. It contains a powerful 32-bit processor for fast label throughout and 8MB flash memory for increased storage of fonts and graphics. The printing speed can be up to 127 mm per second and 90 meter ribbon limiting downtime by requiring less frequent replacement.
link:https://www.eastroyce-pos.com/barcode-label-printer/thermal-transfer-printer/thermal-transfer-printers.html