Experts generally recommend using the Zebra Setup Utilities (ZSU) as the safest method for this model. Updating Printer Firmware - Zebra Technologies
Interrupting the update process (e.g., losing power or disconnecting the cable) can "brick" the printer, rendering it unusable. Recommended Update Process Actualizar Firmware Zebra Tlp 2844
. Use for printers made before March 2011 (Serial Number before 41J104902154) and V4.70.01C for newer models. Experts generally recommend using the Zebra Setup Utilities