Quality Of Received Fax Is Poor; Repeated Errors Occur When You Receive A Fax - Canon PIXMA MX700 Series Quick Start Manual

Machine Does Not Switch Automatically between Voice and Fax Calls
Cause
The receive mode, displayed in the Fax
standby screen, is FAX only mode.
*1
This setting is only available in US and Canada.
*2
This setting may not be available depending on the country or region of purchase.

Quality of Received Fax is Poor

Cause
ECM RX is set to OFF.
The sender's original document or fax
machine is dirty.
ECM sending/receiving is not enabled
although the line/connection is poor.

Repeated Errors Occur When You Receive a Fax

Cause
The telephone line condition or the
connection is poor.
The sender's fax machine is not
operating normally.
If the receive mode is set to FAX only mode, there will be no automatic
switching between voice and fax calls. Set the receive mode to TEL priority
mode, FAX priority mode, DRPD
If the receive mode is TEL priority mode, connect an answering machine to the
machine and check that a message plays back when the answering machine
answers.
Set ECM RX to ON. Refer to "ECM RX" in "Device Settings" of the User's Guide
on-screen manual.
The image quality of the fax is mainly determined by the sender's fax machine.
Contact the sender and check whether the scanning area of his/her fax machine
is not dirty.
On your machine, set ECM RX to ON. Refer to "ECM RX" in "Device
Settings" of the User's Guide on-screen manual.
Contact the sender and check that his/her machine is set to enable ECM
sending.
If the sender's or receiver's fax is not ECM-compatible, the fax will be sent/
received in the standard mode.
Reduce the reception start speed. Refer to "RX start speed" in "Device
Settings" of the User's Guide on-screen manual.
Reduce the reception start speed. Refer to "RX start speed" in "Device Settings"
of the User's Guide on-screen manual.
If there is a poor line or connection, reducing the reception start speed may
correct the error.
Contact the sender and check whether his/her fax machine is operating
normally.
Action
*1 *2
, or Network switch .
Action
Action
Troubleshooting 123