Canon FAX-L2000 Reference Manual page 32

Do not setup the machine near a television, radio, or heavy equipment like copy
machines, air conditioners, computers, or large printers that can generate strong
electromagnetic fields. Large equipment can generate electronic noise that can
interfere with the operation of the machine.
1
Choose a location that is clean and free from dust and moisture.
Do not use or store the machine outdoors.
Place the machine near a telephone line.
To avoid damage to the machine from overheating, do not block the exhaust vent.
Install the machine approximately 10 cm away from walls or other equipment.
1-10 Where to Setup the Machine