Canon imageCLASS MF7460 imageCLASS MF7400 Series Reference Guide - Page 368
ECM Error Correction Mode should eliminate such, Replace the cartridge. See Replacing the Cartridge
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Before Using the Machine 1 Original and Paper 2 Copying 3 Sending and Receiving 4 Printing and Scanning 5 Network (imageCLASS 6 MF7480/MF7470 Only) Remote UI (imageCLASS 7 MF7480/MF7470 Only) System Settings 8 Maintenance 9 Troubleshooting 10 Appendix 11 Table of Contents Index Q Is the correct size of paper loaded in the machine? A Make sure you load paper that meets the requirements for use. (See "Paper Requirements," on p. 2-10.) A Change the paper size and type settings. (See "Setting Paper Size and Type," on p. 2-18.) Received faxes print blotched or unevenly. Q Is ECM RX set to [On]? A ECM (Error Correction Mode) should eliminate such problems. (See "ECM RX," on p. 11-15.) However, if the telephone lines are in poor condition, ask the sender to send faxes again. Q Is the sender's machine functioning properly? A Ask the sender to check that the scanning components of the machine are clean. Part of the documents you receive are cut off. Q Are the slide guides of the paper drawer set to the size of the paper? A Adjust the guides of the paper drawer to the size of the paper. Q Have you specified the correct paper size for the paper drawer? A Specify the correct paper size for the paper drawer. Back Previous Next TOP Q Is the toner low? A Replace the cartridge. (See "Replacing the Cartridge," on p. 9-12.) Cannot receive a fax using Error Correction Mode (ECM). Q Does the sender's machine support ECM? A If the sender's machine does not support ECM, the document is received in normal mode without error checking. Receiving of documents is too slow. Q Is ECM (Error Correction Mode) set to [On]? A Because ECM corrects errors during a transmission, any problems on the line can mean that the transmission will take extra time. Set ECM RX to [Off ]. (See "ECM RX," on p. 11-15.) Q Is the resolution of the sender's machine set higher? A Contact to the sender and make sure the resolution of the sender's machine has been set properly. 10-38