Cause

Action

The machine is not set to the appropriate receive mode.

Check the receive mode setting (A), and change it to a mode suited to your connection if necessary.

(A)

FAX priority mode

See “If You Are Using a Single Telephone Line for Faxes and Voice Calls and Want to Receive Faxes Automatically:” on page 91.

FAX only mode

See “If You Want to Receive Only Faxes Automatically with Your Machine, or Have a Dedicated Telephone Line for Fax Use Only:” on page 91.

DRPD*1

See “If You Subscribe to a Distinctive Ring Pattern Detection (DRPD) Service with Your Telephone Company (US and Canada only):” on page 93.

Network switch*2

See “If You Want the Machine to Automatically Switch between Fax and Voice Calls by the Call Ring Patterns (Network Switch):” on page 93.

TEL priority mode

See “If You Are Using a Single Telephone Line for Faxes and Voice Calls and Use Voice Calls More Frequently:” on page 92.

*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.

„Machine Does Not Switch Automatically between Voice and Fax Calls

Cause

Action

The receive mode, displayed in the FAX standby screen, is FAX only mode.

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 FAX priority mode, DRPD*1, or Network switch*2.

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.

*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

Action

ECM RX is set to OFF.

Set ECM RX to ON. Refer to “ECM RX” in “Device Settings” of the User’s Guide

 

on-screen manual.

 

If ECM RX is enabled, the sender’s fax machine resends the fax after correcting

 

errors automatically.

The sender’s original document or fax

The image quality of the fax is mainly determined by the sender’s fax machine.

machine is dirty.

Contact the sender and check whether the scanning area of his/her fax machine

 

is not dirty.

Troubleshooting 163