Canon imageCLASS MF4690 Reference Manual page 299

Before Using the
Machine 1
Cannot receive using Error Correction Mode (ECM).
Document and Paper
2
Copying
3
Sending and
Receiving 4
Receiving of documents is too slow.
Printing and
Scanning
5
Network
6
Remote UI
7
System Manager
Settings
8
Maintenance
9
Troubleshooting
10
Appendix
11
Table of Contents
Index
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.
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 "TX/RX SETTINGS, " on p. 11-11.)
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.
Back
You cannot get documents from information services.
Q Is your machine set to the tone dialing type of the
telephone line?
A Press [Tone] to set the tone dialing.
Q Do you receive messages from the information
services such as to press [Start] after the beep to
receive?
A When you hear the beep sound, press [Start].
Errors occur frequently while receiving.
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 reception (e.g., microwave oven).
A Lower the reception speed. (See "SYSTEM SETTINGS, "
on p. 11-34.)
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