Canon F50 Guia De Utilização
8-6
❚ Faxed images are blotched or uneven.
The telephone lines may be in poor condition, or you may have a bad connection.
• Error Correction Mode (ECM) sending/receiving should eliminate such problems. However, if the telephone
• Error Correction Mode (ECM) sending/receiving should eliminate such problems. However, if the telephone
lines are in poor condition, you may have to try again.
The sending fax machine may not be functioning properly.
• The sending fax machine usually determines the fax’s quality. Call the sender and have them make sure the top
• The sending fax machine usually determines the fax’s quality. Call the sender and have them make sure the top
cover and scanning glass of their fax machine are clean.
❚ Cannot receive 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 received in normal mode without
• If the other party’s fax machine does not support ECM, then the document is received in normal mode without
error checking.
ECM may be disabled.
• Make sure ECM is on. (
• Make sure ECM is on. (
→ ECM RX, p. 9-6)
❚ Errors occur frequently while receiving.
The telephone lines may be in poor condition, or you may have a bad connection.
• Lower the reception speed. (
• Lower the reception speed. (
→ RX START SPEED, p. 9-7)
The sending fax machine may not be functioning properly.
• Call the sender and have them check that their fax machine is functioning properly.
• Call the sender and have them check that their fax machine is functioning properly.
❚ You cannot dial.
The telephone line may not be connected properly.
• Make sure all line connections are secure. (
• Make sure all line connections are secure. (
→ Quick Start Guide)
The power cord may not be plugged in securely.
• Check that the power cord is plugged securely into the machine and into the wall outlet, and that the power is
• Check that the power cord is plugged securely into the machine and into the wall outlet, and that the power is
turned on (
→ Quick Start Guide). If the machine is plugged into a power strip, make sure the power strip is
plugged in and turned on.
The machine may not be set for the type of telephone line in use (pulse/tone).
• Make sure the machine is set for the correct telephone line type. (
• Make sure the machine is set for the correct telephone line type. (
→ p. 2-6)
❚ The telephone disconnects while you are talking.
The power cord may not be plugged in securely.
• Check that the power cord is plugged securely into the machine and into the wall outlet, and that the power is
• Check that the power cord is plugged securely into the machine and into the wall outlet, and that the power is
turned on (
→ Quick Start Guide). If the machine is plugged into a power strip, make sure the power strip is
plugged in and turned on.
Telephone Problems