Canon imageCLASS MF5770 imageCLASS MF5750/MF5770 Facsimile Guide - Page 77
Set-Up Instructions, for the Machine, Basic Guide
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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 . (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. 7 Q Is the machine set to receive manually? A For the machine to receive faxes manually, the receive mode must be set to . (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. Troubleshooting Faxing Problems 7-9