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9-12
❏ 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. 1-10).
The BJ cartridge print head may need cleaning.
• Clean the BJ cartridge print head if necessary (see p. 9-6).
The BJ cartridge may need to be replaced.
• Determine if the problem is with the BJ cartridge and replace it if necessary (see p. 9-6).
❏ 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.
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 the top cover and scanning glass of their fax machine are clean.
❏ 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.