93Troubleshooting* Legal may not be available depending on the country or region of purchase. Machine Does Not Switch Automatically between Voice and Fax Calls*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 PoorA paper size other than A4, Letter orLegal* is loaded.If a paper size other than A4, Letter or Legal* is loaded, incoming faxes are notprinted and are stored in memory. Change the paper to A4, Letter or Legal* size,then press the OK button on the machine.The machine is not set to theappropriate receive mode.Check the receive mode setting, and change it to a mode suited to yourconnection if necessary.FAX ONLY MODESee “If You Want to Receive Only Faxes Automatically with the Machine, orHave a Dedicated Telephone Line for Fax Use Only:” on page 46.TEL PRIORITY MODESee “If You Are Using a Single Telephone Line for Faxes and Voice Calls andUse Voice Calls More Frequently:” on page 46.FAX PRIORITY MODESee “If You Are Using a Single Telephone Line for Faxes and Voice Calls andWant to Receive Faxes Automatically:” on page 47.DRPDSee “If You Subscribe to a Distinctive Ring Pattern Detection (DRPD) Servicewith Your Telephone Company (US and Canada only):” on page 48.NETWORK SWITCHSee “If You Want the Machine to Automatically Switch between Fax and VoiceCalls by the Call Ring Patterns (Network Switch):” on page 48.Cause ActionThe receive mode displayed on thebottom left of the LCD is FAXONLY.If the receive mode is set to FAX ONLY MODE, there will be no automaticswitching between voice and fax calls. Set the receive mode to TEL PRIORITYMODE, FAX PRIORITY MODE, DRPD*1 , or NETWORK SWITCH*2 .If the receive mode is TEL PRIORITY MODE, connect an answering machine tothe machine and check that a message plays back when the answeringmachine answers.Cause ActionECM RX is set to OFF. Set ECM RX to ON. Refer to “ECM RX” in “FAX SETTINGS” of the User’s Guideon-screen manual.The sender’s original document or faxmachine is dirty.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 machineis not dirty.ECM sending/receiving is not enabledalthough the line/connection is poor. z On the machine, set ECM RX to ON. Refer to “ECM RX” in “FAX SETTINGS”of the User’s Guide on-screen manual.z Contact the sender and check that his/her machine is set to enable ECMsending.z If the sender’s or receiver’s fax is not ECM-compatible, the fax will be sent/received in the standard mode.z Reduce the reception start speed. Refer to “RX START SPEED” in “FAXSETTINGS” of the User’s Guide on-screen manual.Cause Action