13-16 Troubleshooting Chapter 13The document may not be loaded correctly.• Make sure the document is loaded correctly in the ADF (1 p. 4-3). Cannot send using Error Correction Mode (ECM).The other party’s fax machine may not support ECM.• If this is the case, the document is sent without ECM.ECM may be disabled.• Make sure ECM on your unit is enabled (1 ECM TX, p. 14-6).• Contact the other party to check if ECM on their fax machine is enabled. Errors occur frequently while sending.The telephone lines may be in poor condition, or you may have a bad connection.• Lower the transmission speed (1 TX START SPEED, p. 14-10).nIf none of these solutions solve the problem, unplug the unit and wait for at least fiveseconds. Then plug it back in and try sending again. If you still cannot send, contact yourlocal authorized Canon Facsimile Dealer.Receiving Problems Cannot receive a fax automatically.The unit may not be set to receive automatically.• For the unit to receive faxes automatically, the receive mode must be set to FAXONLY MODE, Fax/Tel Mode, ANS.MACHINE MODE, or DRPD (1 Chapter 8). Ifyou have set ANS.MACHINE MODE, confirm that an answering machine isconnected to the unit and that it is turned on with an outgoing message properlyrecorded (1 p. 8-9).The unit may have a document stored in memory, leaving little or no memoryavailable.• Print, send, or delete any documents you no longer need to be stored in memory(1 p. 9-4).An error may have occurred during reception.• Check the LCD for an error message (1 p. 13-8).• Print an ACTIVITY REPORT (1 p. 11-3) and check for an error code (1 p. 13-8).The multi-purpose tray may be empty.• Make sure paper is loaded in the multi-purpose tray (1 p. 2-15).The telephone line cord may not be connected properly.• Make sure it is connected properly (1 p. 2-7).
