Canon Pixma Mx492 User Guide

Cannot Perform Sequential Broadcasting by Redialing, or CannotDial by Entering the Numbers
Check  Have you already selected the recipient from the redial history, or already dialed
a number by entering the fax/telephone numbers?
You can dial one recipient by selecting from the redial history or by entering the fax/telephone numbers as therecipient of sequential broadcasting.
If you already have dialed by selecting from the redial history or by entering the fax/telephone numbers, select the recipient from...

Errors Often Occur When You Send a Fax
Check Check the telephone line condition or the connection.
If the telephone line or connection is poor, reducing the transmission start speed may correct the error.
Reduce the transmission start speed on  TX start speed in Adv. communication  in Adv. FAX settings  under
Fax settings .
Adv. FAX settings
872
 

Problems Receiving Faxes
Cannot Receive a Fax, Cannot Print a Fax
Machine Does Not Switch Automatically between Voice and Fax Calls
Quality of Received Fax is Poor
Cannot Receive a Color Fax
Errors Often Occur When You Receive a Fax
873
 

Cannot Receive a Fax, Cannot Print a Fax
Check1 Is the power turned on?
•
You cannot receive faxes if the power is turned off. Press the  ON button to turn the power on.
•
If you unplugged the power cord without turning off the power (the  POWER lamp is lit), reconnecting it turns
on the power automatically.
•
If you unplugged the power cord after pressing the  ON button to turn off the power (the  POWER lamp is
off), reconnect it, then press the  ON button to turn on the power.
•
If the power was turned...

Check5 Is a different size of paper from that specified by  Page size in FAX paper
settings  loaded?
If a different size of paper from that specified by  Page size is loaded for printing faxes, the received faxes will not
be printed and will be stored in the machine's memory (Memory Reception). Load the same size of paper as that
specified by  Page size, then press the  OK button on the machine.
Check6
 Is paper loaded?
If paper is not loaded, received faxes will be stored in the machine's memory...

Machine Does Not Switch Automatically between Voice and FaxCalls
Check  Is the receive mode set to  Fax only mode?
If  Fax only mode  is selected for Receive mode set.  under FAX menu , there will be no automatic switching
between voice and fax calls.
Set the receive mode to  TEL priority mode, DRPD *1, or Network switch *2.
If the receive mode is  TEL priority mode and an answering machine is connected to the machine, check
whether a proper message is played back when the answering machine answers....

Quality of Received Fax is Poor
Check1 Check the scan settings of the sender's fax machine.
Ask the sender to adjust the scan settings of the fax machine.
Check2  Is ECM RX  set to OFF?
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
Check3
 Is the sender's original document or scanning area of the sender's fax machine
dirty?...

Cannot Receive a Color Fax
Check Is ECM RX  set to OFF?
If  OFF  is select for  ECM RX in Adv. communication  in Adv. FAX settings  under Fax settings , the machine
cannot receive color faxes. The machine will disconnect the telephone line or receive color faxes in black & white according to the setting of the sender's fax machine.
Set  ECM RX  to ON .
Adv. FAX settings
878
 

Errors Often Occur When You Receive a Fax
Check1 Check the telephone line condition or the connection.
If the telephone line or connection is poor, reducing the reception start speed may correct the error. Reduce the reception start speed on  RX start speed in Adv. communication  in Adv. FAX settings  under Fax
settings .
Adv. FAX settings
Check2
 Is the sender's fax machine operating normally?
Contact the sender and ask the sender to check whether the fax machine is operating normally.
879
 

Cannot Send a Fax Clearly
Check1 Is the document loaded correctly?
Remove the document, then reload it on the platen glass or in the ADF.
Loading Originals
Check2  Is the platen glass and/or the inner side of the document cover and/or the glass
of ADF dirty?
Clean the platen glass and/or the inner side of the document cover and/or the glass of ADF, then reload thedocument.
Cleaning the Platen Glass and Document Cover
Note
•
If the glass of ADF is dirty, black streaks appear on the paper as shown below....