Quality Of Received Fax Is Poor - Canon G4000 series Online Manual

Quality of Received Fax is Poor

Check scan settings of sender's fax device.
Check1
Ask the sender to adjust the scan settings of the fax device.
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 device resends the fax after correcting errors automatically.
Fax settings
Is sender's original document or scanning area of sender's fax device dirty?
Check3
The image quality of the fax is mainly determined by the sender's fax device. Contact the sender and ask the
sender to check whether the scanning area of the fax device is dirty.
Is ECM transmission/reception enabled although the line/connection is poor, or
Check4
is the sender's fax device compatible with ECM?
• Select ON for ECM RX in Adv. communication in Adv. FAX settings under Fax settings.
Fax settings
• Contact the sender and ask the sender to check whether the fax device is set to enable ECM transmission.
If the sender's or recipient's fax device 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.
Fax settings
Did you confirm paper and print quality settings?
Check5
Print Results Are Unsatisfactory
477