Why is it important to verify the correct voltage rating when setting up my HP LaserJet Pro M402 series printer?
Using incorrect voltage can lead to irreversible damage. Always match your power source with either 110-127 Vac or 220-240 Vac as specified on the printer’s label and operate at a frequency of 50/60 Hz.
From the official HP LaserJet Pro M402 M403 Printer manual, page 2
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