» Troubleshooting » Troubleshooting » Fax Problems (MF8380Cdw/MF8080Cw Only) » Receiving Problems
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Receiving Problems
See the following sections.
Cannot receive a fax automatically.
Modes cannot switch automatically between telephone and fax.
Cannot receive a fax manually.
Cannot receive a fax via the optical line.
Faxes cannot be printed, or the images on printouts are spotted or distorted.
A received fax is partially cut off.
The reception speed is too slow.
Cannot obtain documents from information services.
Errors occur frequently while receiving faxes.
Cannot print received faxes on both sides of paper.
Cannot receive a fax automatically.
Set the receive mode to one of the following.
<Fax/Tel Auto Switch>
<Auto>
<Answering Machine>
"RX Mode"
"Changing the Receive Mode"
When <Answering Machine> is set, make sure that an external telephone with the built-in answer function is connected to the machine. Also make sure that it is always turned on and the recorded answering message can be heard anytime.
Print, send, or delete jobs stored in memory.
Modes cannot switch automatically between telephone and fax.
See the following section:
"Modes Cannot Switch Automatically between Telephone and Fax"
Cannot receive a fax manually.
Make sure the machine is set to receive faxes manually.
"Changing the Receive Mode"
Select <Start Receiving> and press [OK]. Then, return the handset to its cradle or enter the remote receive ID. Otherwise, the call will be disconnected.
Remove the document from the feeder and receive the fax manually.
If [] (B&W) is pressed when a document is set in the feeder, the document will be sent.
Cannot receive a fax via the optical line.
Use of the optical line is not guaranteed. If the provider guarantees the following two points, however, you can use the optical line without Canon's guarantee.
Telephone speech quality is equivalent to that of general lines.
The line is Super G3 compatible.
For the specifications of the line that you are using, contact your authorized telephone company.
The optical line performs packet communications. If packets are missing or late, the line can temporarily provide audio. There are cases, however, when a communication error occurs as a result of packets missing or arriving late, and fax messages may not be transmitted properly. If this happens, change the <RX Start Speed> setting.
"RX Start Speed"
If you continue to experience the problem after changing the speed, contact your provider.
Faxes cannot be printed, or the images on printouts are spotted or distorted.
See the following section:
"Faxes cannot be Printed, or the Images on Printouts are Spotted or Distorted"
A received fax is partially cut off.
Adjust the paper guides of the paper cassette to fit the paper size.
Specify the correct paper size to load into the paper cassette.
Set <Reduce RX Size> to <On> before adjusting.
"Reduce RX Size"
The reception speed is too slow.
Contact the sender and verify that the resolution of the sender's machine has been set properly.
Cannot obtain documents from information services.
Make sure to set the telephone line type to tone dialing. If the type is set to the rotary pulse, press [] (Tone) to switch to tone dialing.
Follow the instructions provided from information services.
Errors occur frequently while receiving faxes.
Ask the sender to check his/her fax machine.
Cannot print received faxes on both sides of paper.
MF8080Cw cannot perform 2-sided printing. For MF8380Cdw, check the settings for 2-sided printing.
"2-Sided Printing (MF8380Cdw Only)"
04J1-0LA