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13-18 Troubleshooting Chapter 13
■ Received faxes print blotched or unevenly.
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 other party’s fax machine may not be functioning properly.
• The sending fax machine usually determines the fax’s quality. Contact the other party
and have them check that the scanning components of their fax machine are clean.
Toner may be low or unevenly distributed.
• Redistribute the toner inside the cartridge (1 p. 12-6). If the problem persists, replace
the cartridge (1 p. 12-6).
■ Cannot receive using Error Correction Mode (ECM).
The other party’s fax machine may not support ECM.
• If this is the case, the document is received without ECM.
ECM may be disabled.
• Make sure ECM on your machine is enabled (1 ECM RX, p. 14-7).
• Contact the other party to check if ECM on their fax machine is enabled.
■ Errors occur frequently while receiving.
The telephone lines may be in poor condition, or you may have a bad connection.
•Lower the reception speed (1 RX START SPEED, p. 14-10).
The other party’s fax machine may not be functioning properly.
• Contact the other party and have them check that their fax machine is functioning
properly.
Copying Problems
■ Cannot make copies.
The document may not be loaded correctly.
• Make sure the document is loaded correctly in the ADF (1 p. 4-3).
• Make sure the operation panel is closed.
The document may not meet the requirements for the machine.
• Make sure you load documents that meet the requirements for the machine
(1 p. 4-2).
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For additional troubleshooting, see Printing Problems, p. 13-14.