What voltage does the HP LaserJet Enterprise 600 M601 require?
The product uses either 100-127 Vac or 220-240 Vac and 50/60 Hz. You should make sure your power source is adequate for the product voltage rating, which is listed on the product label. (Page 4)
From the official HP Laserjet Enterprise 600 Printer M601 manual, page 4
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