Canon FAX-L380 User Manual page 142

The machine does not switch automatically between telephone and fax receptions.
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A
Q
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Cannot receive a document manually.
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Print quality is poor.
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13
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Faxes do not print.
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Faxing Problems
13-16
Is the machine set to switch automatically between telephone and fax receptions?
For the machine to switch automatically, the receive mode must be set to <AnsMode>.
(See Chapter 7, "Receiving Faxes.")
Confirm that an answering machine is connected to the machine and that it is turned on with an
outgoing message properly recorded.
Is the sending fax machine able to 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 the machine the incoming call is a fax.
In such cases, you will have to receive the fax manually. (See "Receiving Faxes Manually: Manual
Mode," on p. 7-4.)
Is the machine set to receive manually?
For the machine to receive faxes manually, the receive mode must be set to <Manual> mode.
(See Chapter 7, "Receiving Faxes.")
Did you press [Start] after hanging up the handset?
Always press [Start] before hanging up the handset. Otherwise you will disconnect the call.
Are you using the correct type of paper?
Make sure you load paper that meets the paper requirements for the machine. For more information,
see Chapter 10, "Making Copies."
Is the sending fax machine functioning properly?
The sending fax machine usually determines the fax's quality. Call the sender and have them make
sure the scanning glass of their fax machine is clean.
Is the cartridge installed properly?
Make sure the cartridge is installed properly. For more information, see "Installing/Replacing the
Toner Cartridge," on p. 2-17.