Canon PIXMA TR8620 TR8600 series User Manual - Page 409

Poor Quality Fax Received Check1 Check scan settings of sender's fax device. Ask the sender to adjust the scan settings of the fax device. Check2 Is ECM RX set to OFF? Select ON for ECM RX in Adv. communication settings in Advanced FAX settings under FAX settings. If ECM RX is enabled, the sender's fax device resends the fax after correcting errors automatically. Fax settings Check3 Is sender's original document or scanning area of sender's fax device dirty? 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. Check4 Is ECM transmission/reception enabled although the line/connection is poor, or is the sender's fax device compatible with ECM? • Select ON for ECM RX in Adv. communication settings in Advanced 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 settings in Advanced FAX settings under FAX settings. Fax settings Check5 Did you confirm paper and print quality settings? Printout Results Are Unsatisfactory 409