Canon B820 - Manual (Page 94)

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The document may not have been loaded correctly into the document tray.
• Remove the document, stack it if necessary, and load it into the document tray correctly
(see p. 3-2).
❏ Cannot send using Error Correction Mode (ECM).
The receiving party’s fax machine may not support ECM.
• If the receiving party’s fax machine does not support ECM, then the document is sent in
normal mode without error checking.
ECM may be disabled.
• Make sure ECM is on (see ECM TX, p. 8-3).
❏ Errors occur frequently while sending.
The telephone lines may be in poor condition, or you may have a bad connection.
• Lower the transmission speed (see TX START SPEED, p. 8-5).
Receiving problems
❏ Cannot receive a document automatically.
The fax may not be set to receive automatically.
• For the fax to receive documents automatically, the receive mode must be set to FAX ONLY
MODE, FAX/TEL AUTO SW (Fax/Tel mode), NET SWITCH, ANS.MACHINE MODE*
(see Chapter 6), or TAM MODE** must be set (see Chapter 7). If you have set
ANS.MACHINE MODE*, check that an answering machine is connected to the fax and
that it is turned on with an outgoing message properly recorded (see p. 6-4).
The fax may have a document stored in memory.
• Print out any documents stored in memory (see p. 5-14).
An error may have occurred during reception.
• Check the LCD for an error message (see p. 9-14).
• Print an activity report and check for an error (see p. 8-7).
The multi-purpose tray may be empty.
• Make sure paper is loaded in the multi-purpose tray (see p. 1-7).
The telephone line may not be connected properly.
• Make sure all line connections are secure (see pp. 1-4,1-5).
* FAX-B820/B822 only.
** FAX-B840 only.