Quality Of Received Fax Is Poor - Canon MX490 series Online Manual

Quality of Received Fax is Poor

Check the scan settings of the sender's fax machine.
Check1
Ask the sender to adjust the scan settings of the fax machine.
Is ECM RX set to OFF?
Check2
Select ON for ECM RX in Adv. communication in Adv. FAX settings under Fax settings.
If ECM RX is enabled, the sender's fax machine resends the fax after correcting errors automatically.
Adv. FAX settings
Is the sender's original document or scanning area of the sender's fax machine
Check3
dirty?
The image quality of the fax is mainly determined by the sender's fax machine. Contact the sender and ask the
sender to check whether the scanning area of the fax machine is dirty.
Is ECM transmission/reception enabled although the line/connection is poor, or
Check4
is the sender's fax machine compatible with ECM?
• Select ON for ECM RX in Adv. communication in Adv. FAX settings under Fax settings.
Adv. FAX settings
• Contact the sender and ask the sender to check whether the machine is set to enable ECM transmission.
If the sender's or recipient's fax machine is not compatible with ECM, the fax will be sent/received without
automatic error correction.
• Reduce the reception start speed on RX start speed in Adv. communication in Adv. FAX settings under
Fax settings.
Adv. FAX settings
Did you confirm the paper and print quality settings?
Check5
Print Results Not Satisfactory
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