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Brother lists AIO power consumption in various modes from "printing" to "power off" for the MFC-L3770 and printers in that family in the Online User's Guide HL-L3290CDW ... MFC-L3770CDW .pdf downloadable file available on the Brother-US website. For the MFC-L3770: Peak is ~1300 W, printing ~260 W, ready ~75 W, sleep ~10.1 W, deep sleep ~1.2 W, power off ~0.02 W.
Sorry, there was a problem. Please try again later.The power consumption for the Brother MFCL3770CDW is Approximately 430 W when printing, and Approximately 1.2 W when on standby.
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