Canon imageCLASS MF7470 - Manual (Page 366)

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Before Using the
Machine
Original and Paper
Copying
Sending and
Receiving
Printing and
Scanning
Network (imageCLASS
MF7480/MF7470 Only)
Remote UI (imageCLASS
MF7480/MF7470 Only)
System Settings
Maintenance
Troubleshooting
Appendix
Index
Table of Contents
Sending of documents is too slow.
Are documents being sent at a high resolution?
It is recommended that you send text only documents
with a lower resolution.
Is Error Correction Mode (ECM) set to [On] (when
sending a fax)?
Because ECM corrects errors during a transmission,
any problems on the line can mean that the
transmission will take extra time. Set ECM TX to [Off ].
(See “ECM TX,” on p. 11-14.)
Cannot send a fax using Error Correction Mode (ECM).
Does the recipient’s machine support ECM?
If the recipient’s machine does not support ECM, the
document is sent in normal mode without error
checking.
Errors occur frequently while sending.
Are the telephone lines in poor condition, or do
you have a bad connection?
Check if there is a device nearby that interferes with
signal transmission (e.g., microwave oven).
Lower the transmission speed. (See “Fax Settings,” on
p. 11-37.)
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Cannot send with [Recall].
Is Restrict Recall set to [On]?
When Restrict Recall is set to [On], sending with
[Recall] is not available. (See “Restricting Job Recall,”
on p. 8-18.)
Entering the fax number is required again after pressing (Start).
Is Confirm Entered Fax Numbers set to [On]?
When Confirm Entered Fax Numbers is set to [On], you
need to enter the fax number again after pressing
(Start). (See “Setting to Confirm Entered Fax
Numbers,” on p. 8-18.)
Cannot send the documents to multiple recipients.
Is Restrict Sequential Broadcast set to [Prohibit
Broadcast]?
When Restrict Sequential Broadcast is set to [Prohibit
Broadcast], you cannot send the documents to
multiple recipients. (See “Restricting Sequential
Broadcast,” on p. 8-18.)
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