What should I check before plugging in the printer if both 110V and 220V power outlets are available?

Verify that you use a correctly rated outlet; ensure the voltage matches the requirements on the product's label (either 100-127 V AC or 220-240 V AC) to avoid damaging the device.

From the official HP Laserjet Pro Mfp M25 M27 manual, page 1

Have a follow-up question?

Answers from the official manual.

Common questions