Installation Planning Guide IntroductionDocuTech/DocuPrint 75/90 and DocuPrint 75 MX 1-3Items “b” and “d” are indicated on the label.The Ringer Equivalence Number (REN) is used to determinehow may devices can be connected to your telephone line. Inmost areas, the sum of the RENs of all devices on any oneline should not exceed five (5.0). If too many devices areattached, they may not ring correctly.Service requirementsIn the event of equipment malfunction, all repairs should beperformed by Xerox or authorized agent. It is the responsibility ofusers requiring service to report the need for service to Xerox orto an authorized agent. Service can be obtained at:USA: 1-800-821-2797Canada: 1-800-939-3769Europe: Local Welcome CenterDMO: Local Welcome CenterCanadian industry requirementsNotice: The Canadian Industry Canada label identifies certifiedequipment. This certification means that the equipment meetscertain telecommunications network protective, operational andsafety requirements. The Department does not guarantee theequipment will operate to the user’s satisfaction.1. Before installing this equipment, users should ensure that it ispermissible to be connected to the facilities of the localtelecommunications company. The equipment must also beinstalled using an acceptable method of connection. In somecases, the company’s inside wiring associated with a singleline individual service may be extended by means of acertified connector assembly (telephone extension cord). Thecustomer should be aware that compliance with the aboveconditions may not prevent degradation of service in somesituations.2. Repairs to certified equipment should be made by anauthorized Canadian maintenance facility designated by thesupplier. Any repairs or alterations made by the user to thisequipment, or equipment malfunctions, may give thetelecommunications company cause to request the user todisconnect the equipment.