Canon ImageCLASS MF7480 - Manual (Page 38)

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What Can I Do with This Machine?
Notice
This product meets the applicable Industry Canada technical specifications.
The Ringer Equivalence Number is an indication of the maximum number of devices
allowed to be connected to a telephone interface. The termination of an interface may
consist of any combination of devices subject only to the requirement that the sum of
the RENs of all the devices does not exceed five.
The REN of this product is 1.0.
Before installing this equipment, users should ensure that it is permissible to be
connected to the facilities of the local telecommunications company. The equipment
must also be installed using an acceptable method of connection. In some cases,
the company’s inside wiring associated with a single line individual service may be
extended by means of a certified connector assembly (telephone extension cord). The
customer should be aware that compliance with the above conditions may not prevent
deterioration of service in some situations.
Repairs to certified equipment should be made by an authorized Canadian maintenance
facility designated by the supplier. Any repairs or alterations made by the user to this
equipment, or equipment malfunctions, may give the telecommunications company
cause to request the user to disconnect the equipment.
Users should ensure for their own protection that the electrical ground connections of
the power utility, telephone lines, and internal metallic water pipe system, if present, are
connected together. This precaution may be particularly important in rural areas.
Users should not attempt to make such connections themselves, but should contact the
appropriate electric inspection authority, or electrician, as appropriate.
This equipment complies with the Canadian ICES‑003 Class B limits.
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