Canon imageCLASS MF4690 imageCLASS MF4690 Reference Guide - Page 294
See Confirming Entered Fax Numbers, on p. 8-19., signal transmission e.g., microwave oven.
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Before Using the Machine 1 Document and Paper 2 Copying 3 Sending and Receiving 4 Printing and Scanning 5 Network 6 Remote UI 7 System Manager Settings 8 Maintenance 9 Troubleshooting 10 Appendix 11 Sending of documents is too slow. Q Is the resolution set to , , , or ? A Setting the resolution to reduces the sending time. Q Is Error Correction Mode (ECM) set to ? A Because ECM corrects errors during a transmission, any problems on the line can mean that the transmission will take extra time. Set to . (See "TX/RX SETTINGS," on p. 11-11.) Cannot send using Error Correction Mode (ECM). Q Does the recipient's machine support ECM? A If the recipient's machine does not support ECM, the document is sent in normal mode without error checking. Back Previous Next TOP Errors occur frequently while sending. Q Are the telephone lines in poor condition, or do you have a bad connection? A Check if there is a device nearby that interferes with signal transmission (e.g., microwave oven). A Lower the transmission speed. (See "SYSTEM SETTINGS," on p. 11-34.) Cannot redial with [Recall/Pause]. Q Is set to ? A When is set to , Redialing is not available. (See "Restricting Job Recall," on p. 8-19.) Entering the fax number is required again after pressing [Start]. Q Is set to ? A When is set to , you need to enter the fax number again after pressing [Start]. (See "Confirming Entered Fax Numbers," on p. 8-19.) Table of Contents Index 10-37