How do I set up the power supply?
Connect the provided power cable between the printer and a grounded AC outlet as per voltage rating on the label, which is either 100-127 Vac or 220-240 Vac with 50/60 Hz. Ensure using only the supplied power cable to prevent damage. Turn on and wait for initialization. (Page 4)
From the official HP Laserjet Managed Mfp E52645 manual, page 4
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