Receiving Problems - Canon FAX-B840 User Manual

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), or 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. 36).
The fax may have a document stored in memory.
• Print out any documents stored in memory (see p. 33).
An error may have occurred during reception.
• Check the LCD for an error message (see p. 64).
• Print an activity report and check for an error (see p. 54).
The multi-purpose tray may be empty.
• Make sure paper is loaded in the multi-purpose tray (see p. 10).
The telephone line may not be connected properly.
• Make sure all line connections are secure (see p. 7).
* FAX-B820/B822 only.
** FAX-B840 only.
The fax does not switch automatically between telephone and fax reception.
The fax may not be set to switch automatically between telephone and fax reception.
• For the fax to switch automatically, the receive mode must be set to FAX/TEL AUTO SW (Fax/Tel mode) or 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. 36).
The fax may have a document stored in memory.
• Print out any documents stored in memory (see p. 33).
An error may have occurred during reception.
• Check the LCD for an error message (see p. 64).
• Print an activity report and check for an error (see p. 54).
The multi-purpose tray may be empty.
• Make sure paper is loaded in the multi-purpose tray (see p. 10).
The sending fax machine may not send the CNG signal that tells the fax that the incoming signal is a fax.
• Some fax machines cannot send the CNG signal that tells your fax the incoming call is from a fax machine. In such cases, you will
have to receive the document manually (see p. 36).
* FAX-B820/B822 only.
** FAX-B840 only.
Cannot receive a document manually.
You may have disconnected the call by pressing [Start/Copy] or dialling the remote receiving ID after
hanging up.
• Always press [Start/Copy] or dial the remote receiving ID before hanging up the handset, otherwise you will disconnect the call.
Print quality is poor.
You may not be using the correct type of paper.
• Make sure you load paper that meets the paper requirements for the fax (see p. 24).
The BJ cartridge print head may need cleaning.
• Clean the BJ cartridge print head if necessary (see p. 57).
The sending fax machine may not be functioning properly.
• The sending fax machine usually determines the quality of the document. Call the sender and have them make sure their fax
machine is clean.
Error Correction Mode (ECM) may be disabled.
• Make sure ECM is on (see ECM RX, p. 51).
Fax does not print.
The BJ cartridge may not be installed properly.
• Make sure the BJ cartridge is installed properly (see p. 11).
• Be sure to remove the orange protective tape from the BJ cartridge before you install it (see p. 11).
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