What do I do if my printer experiences harmful interference with radio communications?
If your HP LaserJet 1018 causes harmful interference to radio communications, try resolving it by reorienting or relocating the receiver antenna, increasing separation between the equipment and receiver, connecting equipment to an outlet on a circuit different from that of the receiver, or consulting a technician (Page 23).
From the official HP Impresora HP Laserjet 1018 manual, page 23
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