Canon imageCLASS MF5770 imageCLASS MF5750/MF5770 Facsimile Guide - Page 79

Canon imageCLASS MF5770 Manual

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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. Cannot receive a fax using ECM (Error Correction Mode). Q Does the sending fax machine support ECM? A If the sending fax machine does not support ECM, the document is received in the normal mode without error checking. Errors occur frequently while receiving. Q Are the telephone lines in proper condition? Or do you have a good connection? A Lower the reception speed. (See of "Menu Descriptions," on p. 8-2.) Q Is the sending fax machine functioning properly? A Call the sender and have them check that their fax machine is functioning properly. 7 Troubleshooting Faxing Problems 7-11

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Faxing Problems
7-11
Troubleshooting
7
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.
Cannot receive a fax using ECM (Error Correction Mode).
Q
Does the sending fax machine support ECM?
A
If the sending fax machine does not support ECM, the document is received in
the normal mode without error checking.
Errors occur frequently while receiving.
Q
Are the telephone lines in proper condition? Or do you have a good connection?
A
Lower the reception speed. (See <4. RX START SPEED> of “Menu
Descriptions,” on p. 8-2.)
Q
Is the sending fax machine functioning properly?
A
Call the sender and have them check that their fax machine is functioning
properly.