Canon Faxphone L75 Laser Fax Printer Users Guide

Chapter 13 Troubleshooting13-13
Troubleshooting
Paper Feeding Problems
■Paper does not feed properly.
The multi-purpose tray may contain too many sheets.
•Make sure you load the correct quantity (1p. 5-2).
The print media may not be loaded correctly.
•Make sure the print media is loaded correctly in the multi-purpose tray (1p. 5-4).
■Multiple sheets feed together into the machine.
The print media may not be loaded correctly.
•Make sure the print media is loaded correctly in the multi-purpose tray (1p....

13-14Troubleshooting Chapter 13
Printing Problems
■Alarm light is lit or the machine beeps while printing.
The machine may have a paper jam.
•Clear the paper jam (1p.13-3).
•If the machine has no paper jam, unplug the machine and wait five seconds, then
plug it back in. If the Alarm light remains lit, contact the Canon Customer Care Center.
■Nothing prints.
The power cord may not be plugged in securely.
•Check that the power cord is plugged securely into the machine and into the wall
outlet (1
p.2-9). If...

Chapter 13 Troubleshooting13-15
Troubleshooting
Faxing Problems
Sending Problems
■Cannot send a fax.
The machine may not be set for the correct telephone line type.
•Make sure the machine is set for the correct telephone line type (1p. 3-8).
The document may not be loaded correctly.
•Make sure the document is loaded correctly in the ADF (1p. 4-3).
•Make sure the operation panel is closed.
The one-touch speed dialing button or coded speed dialing code you entered
may not be registered correctly.
•Check...

13-16Troubleshooting Chapter 13
The document may not be loaded correctly.
•Make sure the document is loaded correctly in the ADF (1p. 4-3).
■Cannot send using Error Correction Mode (ECM).
The other party’s fax machine may not support ECM.
•If this is the case, the document is sent without ECM.
ECM may be disabled.
•Make sure ECM on your machine is enabled (1ECM TX, p. 14-6).
•Contact the other party to check if ECM on their fax machine is enabled.
■Errors occur frequently while sending.
The telephone...

Chapter 13 Troubleshooting13-17
Troubleshooting
■No automatic switching between telephone and fax calls.
The machine may not be set to switch automatically between telephone and fax
calls.
•For the machine to switch automatically, the receive mode must be set to Fax/Tel
Mode
, ANS.MACHINE MODE, or DRPD(1Chapter 8). If you have set
ANS.MACHINE MODE, confirm that an answering machine is connected to the
machine and that it is turned on with an outgoing message properly recorded 
(1
p. 8-9).
The machine may...

13-18Troubleshooting Chapter 13
■Received faxes print blotched or unevenly.
The telephone lines may be in poor condition, or you may have a bad connection.
•Error Correction Mode (ECM) sending/receiving should eliminate such problems.
However, if the telephone lines are in poor condition, you may have to try again.
The other party’s fax machine may not be functioning properly.
•The sending fax machine usually determines the fax’s quality. Contact the other party
and have them check that the scanning...

Chapter 13 Troubleshooting13-19
Troubleshooting
Telephone Problems
■Cannot dial.
The telephone line cord may not be connected properly.
•Make sure it is connected properly (1p.2-8).
The power cord may not be plugged in securely.
•Check that the power cord is plugged securely into the machine and into the wall
outlet (1
p.2-9). If the machine is plugged into a power strip, make sure the power
strip is plugged in and turned on.
The machine may not be set for the correct telephone line type.
•Make sure the...

13-20Troubleshooting Chapter 13
If You Cannot Solve a Problem
If you have a problem with your machine that you cannot solve with the information
provided in this chapter, contact the Canon Customer Care Center.
n
Attempting to repair the machine yourself may void the limited warranty.
c
If the machine makes strange noises, emits smoke or strange smells, unplug it
immediately and contact the Canon Customer Care Center. Do not attempt to
disassemble or repair the machine yourself.
If you contact the Canon...

Chapter 13 Troubleshooting13-21
Troubleshooting
If a Power Failure Occurs
If power is suddenly lost due to a power failure or accidental unplugging, a built-in
battery retains the machine’s settings. However, any documents stored in memory will
be lost.
During a power failure, functions are limited as follows:
•You cannot make telephone calls using the handset. Also, depending on your
telephone, you may not be able to make calls using the extension telephone
connected to your machine.
•You cannot send,...

13-22Troubleshooting Chapter 13