Receiving Problems, Cannot receive a fax automatically

❚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

❚Cannot receive a fax automatically.

The machine may not be set to receive automatically.

•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)

Troubleshooting

8-3

D680 specifications

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Canon D680 manual Receiving Problems, Cannot send using Error Correction Mode ECM

Models: D680