8-4
❚ 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. (→ ECM TX, 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. (→ TX START SPEED, p. 9-5)
■ 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 FAX ONLY MODE, FAX/
TEL AUTO SW, or ANS.MACHINE MODE (→ Chapter 5). If you have set ANS.MACHINE MODE, confirm
that an answering machine is connected to the machine and that it is turned on with an outgoing message
properly recorded. (→ Quick Start Guide)
The machine’s memory is full.
• Print or delete any documents stored in memory (→ pp. 4-14, 4-15) to free up space in the machine’s
memory. Then ask the other party to resend the fax.
An error may have occurred during reception.
• Check the LCD for an error message. (→ p. 8-1)
• Print an ACTIVITY REPORT and check for an error. (→ p. 7-2)
The telephone line may not be connected properly.
• Make sure all line connections are secure. (→ Quick Start Guide)
❚ 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 FAX⁄TEL AUTO SW or
ANS.MACHINE MODE (→ Chapter 5). If you have set ANS.MACHINE MODE, confirm that an answering
machine is connected to the machine and that it is turned on with an outgoing message properly recorded.
(→ Quick Start Guide)
An error may have occurred during reception.
• Check the LCD for an error message. (→ p. 8-1)
• Print an ACTIVITY REPORT and check for an error. (→ p. 7-2)
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. 5-4)