Canon imageCLASS D760 imageCLASS D780 Fax Guide - Page 72
Receiving Problems
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❚ Cannot send using Error Correction Mode (ECM). The other party's fax machine may not support ECM. • If the other party's fax machine does not support ECM, then the document is sent in normal mode without error checking. ECM may be disabled. • Make sure ECM is on. (→ p. 9-5) ❚ Errors occur frequently while sending. The telephone lines may be in poor condition, or you may have a bad connection. • Lower the transmission speed. (→ p. 9-4) Receiving Problems Troubleshooting ❚ Cannot receive a fax automatically. The machine may not be set to receive automatically. 8 • For the machine to receive faxes automatically, the receive mode must be set to FaxTel, FaxOnly, AnsMode or DRPD (→ Chapter 5). If you have set AnsMode, confirm that an answering machine is connected to the machine and that it is turned on with an outgoing message properly recorded. (→ p. 5-2) The machine's memory is full. • Print out or delete any documents stored in memory to free up space in the machine's memory. (→ pp. 4-15, 4-16) An error may have occurred during reception. • Print an ACTIVITY REPORT and check for an error. (→ p. 7-2) No paper in the cassette. • Make sure paper is loaded in the cassette. (→ Set-up Instructions) The telephone line may not be connected properly. • Make sure all line connections are secure. (→ p. 1-3) ❚ The machine does not switch automatically between telephone and fax reception. The machine may not be set to switch automatically between telephone and fax reception. • For the machine to switch automatically, the receive mode must be set to FaxTel, AnsMode or DRPD (→ Chapter 5). If you have set AnsMode, confirm that an answering machine is connected to the machine and that it is turned on with an outgoing message properly recorded. (→ p. 5-2) The sending fax machine cannot send the CNG signal that tells the machine that the incoming signal is a fax. • Some fax machines cannot send the CNG signal that tells your machine the incoming call is from a fax machine. In such cases, you will have to receive the fax manually. (→ p. 5-6) 8-3