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Canon FAX-B840 Manual

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SOLUTIONS TO COMMON PROBLEMS
9
❏ Fax does not print.
The BJ cartridge may not be installed properly.
• Make sure the BJ cartridge is installed properly (see p. 1-9).
• Be sure to remove the orange protective tape from the BJ cartridge before you install it
(see p. 1-9).
The BJ cartridge print head may need cleaning.
• Clean the BJ cartridge print head if necessary (see p. 9-5).
The BJ cartridge may need to be replaced.
• Determine if the problem is with the BJ cartridge and replace if necessary (see p. 9-5).
The document may be set.
• Make sure the document is not set.
❏ Fax images print blotched or uneven.
The telephone lines may be in poor condition, or you may have a bad connection.
• Error Correction Mode (ECM) sending/receiving should eliminate such problems.
However, if the telephone lines are in poor condition, you may have to try again.
• Lower the reception speed (see RX START SPEED, p. 8-5).
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 functioning properly.
❏ Cannot receive using Error Correction Mode (ECM).
The sending fax machine may not support ECM.
• If the sending fax machine does not support ECM, then the document is received in normal
mode without error checking.
ECM may be disabled.
• Make sure ECM is on (see ECM RX, p. 8-4).
❏ Errors occur frequently while receiving.
The telephone lines may be in poor condition, or you may have a bad connection.
• Lower the reception speed (see RX START SPEED, p. 8-5).
The sending fax machine may not be functioning properly.
• Call the sender and have them check that their fax machine is functioning properly.
… 96 …


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Others manual(s) of Canon FAX-B840

Canon FAX-B840 User Manual - German - 68 pages

Canon FAX-B840 User Manual - Dutch - 68 pages

Canon FAX-B840 Specifications - Dutch - 4 pages


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