Brother HL- SERIES User Manual page 11

IMPORTANT
DO NOT remove or damage the caution labels located on or in the product.
Lightning and power surges can damage this product! We recommend that you use a quality
surge protection device on the AC power line and any telephone (RJ-11) or Ethernet (RJ-45)
cable (network model only) plugged into the product, or that you unplug the cords during a
lightning storm.
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