Canon imageCLASS D680 imageCLASS D680 Fax Guide - Page 72

Receiving Problems - troubleshooting

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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

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8-3
❚
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