Canon imageCLASS MF5750 Facsimile Manual page 77

Q Is the telephone line connected properly?
A Make sure all line connections are secure. (See "Connect the telephone cable
and necessary external device," in the Set-Up Instructions (for MF5750 users)
or Set-Up Instructions for the Machine (for MF5770 users).)
The machine does not switch automatically between telephone and fax receptions.
Q Is the machine set to switch automatically between telephone and fax
receptions?
A For the machine to switch automatically, the receive mode must be set to
<AnsMode>. (See Chapter 5, "Receiving Faxes.")
Confirm that an answering machine is connected to the machine and that it is
turned on with an outgoing message properly recorded.
Q Is the sending fax machine able to send the CNG signal that tells the machine
that the incoming signal is a fax?
A 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. 5-7.)
Cannot receive a document manually.
Q Is the machine set to receive manually?
A For the machine to receive faxes manually, the receive mode must be set to
<Manual>. (See Chapter 5, "Receiving Faxes.")
Q Did you press [Start], or dial the remote receiving ID after hanging up the
handset?
A Always press [Start], or dial the remote receiving ID before hanging up the
handset. Otherwise you will disconnect the call.
Print quality is poor.
Q Are you using the correct type of paper?
A Make sure you load paper that meets the paper requirements for the machine.
For more information, see Chapter 5, "Copying," in the Basic Guide.
Q Is the sending fax machine functioning properly?
A 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.
7-9
Faxing Problems
7