Phaser 6180MFP Multifunction Printer Service Manual 4-91General TroubleshootingFax Failure After Installation/RelocationThe Fax has failed to send after installation. The following troubleshootingprocedure applies to this error.Initial Actions■ Disconnect all devices other than the Fax machine.■ Cycle printer power.■ If the problem persists, follow the procedure below.NoteThe conventional analog telephone line uses standard RJ-11 cable, whichhas two conductors. However, the four-conductor cables commonlyavailable are backward compatible with RJ-11 and can be used with noproblems. On the other hand, since these four-conductor cables are alsoused for ISDN systems, the number of elements is not the key foridentification of the type of line/service.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack Map References■ Scanner Controller Board, PL9.1.1Troubleshooting Procedure TableStep Actions and Questions Yes No1 1. Check the telephone services forscreening feature such as blockingunwanted calls, etc.2. Is the line identified?Go to step 2. Go to step 4.2 1. Manually dial any local phone numberusing touch tone, pulse 20PPM and pulse10PPM in this order.2. Is there a connection?Go to step 3. Request thephonecompany fora line repair.PSTN PBXs6180mfp-433