Canon MF5550 - Manual (Page 77)

Faxing Problems 7-7
T
roub
leshooting
7
Q Is the document loaded?
A Remove the document, stack it if necessary, and place it on the platen glass or
load it in the ADF correctly. For more information, see Chapter 3, "Document
Handling," in the Basic Guide.
Cannot send using ECM (Error Correction Mode).
Q Does the receiving fax machine support ECM?
A If the receiving fax machine does not support ECM, the document is sent in the
normal mode without error checking.
Errors occur frequently while sending.
Q Are the telephone lines in proper condition? Or do you have a good connection?
A Lower the transmission speed. (See <3. TX START SPEED> of "Menu
Descriptions," on p. 8-6.)
Receiving Problems
Cannot receive a fax automatically.
Q Is the machine set to receive automatically?
A For the machine to receive faxes automatically, the receive mode must be set to
or . (See Chapter 5, "Receiving
Faxes.") If you have set , confirm that an answering
machine is connected to the machine and that it is turned on with an outgoing
message properly recorded.
If you set <3. MAN/AUTO SWITCH> to in of the
Menu, the machine will receive faxes automatically even when the receive
mode is set to . (See <3. MAN/AUTO SWITCH> of "Menu
Descriptions," on p. 8-6.)
Q Is the machine's memory full?
A Wait for the machine to finish any fax or print jobs stored in the memory. Then
ask the other party to resend the fax.
Q Did an error occur during reception?
A Print an ACTIVITY REPORT and check for an error. (See "Printing the
ACTIVITY REPORT," on p. 6-2.) You can also check the RX REPORT when it is
printed automatically. (See "Adjusting the RX REPORT Setting," on p. 6-6.)