How to F/W update. 1) Connect PC and printer with USB cable. 2) Turn on the power of printer.(Ready Status) 3) Drag the f/w file and Drop down on the usbprn2.exe. And then f/w update will be started automatically. 4) Please wait until end reboot.

ML-1660-1665 reset\FIX_ML-1660_v.82.00.78.fls
..................\usbprns2.exe
ML-1660-1665 reset
..................\text.txt

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