If You Cannot Receive Faxes - Canon C7580i Faq Manual

If you are using an optical line or IP
telephone line
Communication errors may occur depending on
the line quality.
For more information, contact your telephone
carrier.
Reduce the fax transmission
speed.
Reducing the fax transmission
speed may result in a
communication error reduction.
1.
Press
2.
Press [Function Settings] [Send]
[Fax Settings] on the touch panel
display.
3.
Press [TX Start Speed].
4.
Select a slower speed than the current
one.
5.
Press
P O I N T
You can also set the transmission
speed for each destination from the
preferences for the address book or
one-touch buttons.
For more information User's Guide

If You Cannot Receive Faxes

1
Solution
Delete unnecessary documents in the
memory to increase the free space.
1.
Press
2.
Press [Fax/I-Fax Inbox] [Memory RX Inbox]
[Memory RX Inbox] on the touch panel display.
3.
Select unnecessary
documents.
4.
Press
5.
Press [Yes].
2
Solution
Find the remedy using the number
that follows the letter "#."
If sending or receiving of a fax fails, a
number following "#" (error code) is
displayed on the touch panel display or in
the communication management report.
You can find the remedy using the error
code.
Countermeasures for Each Error Code
User's Guide
10H3-0JX
How to use the search number
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