Canon Fax L390 User Guide

							Paper Feeding Problems
14-13
Troubleshooting14
Q
Does the cassette or multi-purpose feeder contain an appropriate quantity of sheets?
A
Make sure the paper stack in the cassette or the paper in the multi-purpose feeder does not exceed 
the capacity of the cassette or multi-purpose feeder. (See “Loading Paper,” on p. 4-3.)
A
Do not force the paper stack into the cassette or the paper into the multi-purpose feeder.
A
Load paper one by one in the multi-purpose feeder.
Q
Is only one type of paper loaded in the cassette or multi-purpose feeder?
A
Load only one type of paper.
A
Make sure you load paper that meets the paper requirements for the machine. (See Chapter 4, 
“Paper Handling.”)
Transparencies do not feed correctly.
Q
Are the transparencies loaded correctly?
A
Make sure the transparencies in the cassette* or the transparency in the multi-purpose feeder is 
loaded properly, and that the slide guides are adjusted correctly. (See “Loading Paper,” on p. 4-3.)
Q
Is the proper transparency loaded in the multi-purpose feeder?
A
Do not use any transparencies designed for color copiers. They will cause a paper jam. Please use 
transparencies recommended by Canon.
*Only for the FAX-L380S
Paper feeds curled.
Q
Is the proper paper loaded?
A
Check if the proper paper is loaded in the cassette or multi-purpose feeder. (See Chapter 4, “Paper 
Handling.”)
Paper stacked roughly.
Q
Is the proper paper loaded?
A
Check if the proper paper is loaded in the cassette or multi-purpose feeder. (See Chapter 4, “Paper 
Handling.”)
A
Check if the appropriate paper type is selected in  in  of the 
Menu. (See “Loading Paper,” on p. 4-3.)
 
						

							Paper Feeding Problems
14-14
Troubleshooting14
Repeated paper jams occur.
Q
Is the proper paper loaded?
A
Check that the size, thickness and type of the paper you are using. (See “Print Media Requirements,” 
on p. 4-1.)
Q
Is the proper paper loaded correctly?
A
Be sure to fan the paper stack before loading it in the cassette. This keeps the sheets of paper from 
sticking together. 
Q
Is the output tray free of obstructions?
A
Do not place the delivered paper back on the output tray. (See “Face Down Paper Output Area,” on 
p. 4-13.)
A
Do not place objects other than paper on the output tray. (See “Face Down Paper Output Area,” on 
p. 4-13.)
Q
Is the machine installed in a proper location?
A
Check that the machine is installed in the proper location. (For information about specifications of the 
machine, see Appendix A, “Specifications.” For safety warnings and cautions, see “Choosing a 
Location for Your Machine,” on p. 2-1.)
Envelopes do not feed correctly.
Q
Are the envelopes loaded correctly?
A
Make sure the envelopes are loaded correctly. (See “Loading Envelopes in the Cassette,” on p. 4-5, 
or “Loading an Envelope in the Multi-Purpose Feeder,” on p. 4-9.) Do not load more than 20 
envelopes in the cassette*. Load an envelope one by one in the multi-purpose feeder.
Q
Is the proper envelope loaded?
A
Load the recommended envelopes (COM10, MONARCH, DL, or ISO-C5) in the cassette* or 
multi-purpose feeder. (See “Loading Envelopes in the Cassette,” on p. 4-5, or “Loading an Envelope 
in the Multi-Purpose Feeder,” on p. 4-9.)
*Only for the FAX-L380S model.
 
						

							Faxing Problems
14-15
Troubleshooting14
Faxing Problems
Sending Problems
You cannot send a fax.
Q
Is the machine overheated?
A
Unplug the machine and let it cool for approximate 3 minutes to 5 minutes. Then plug in the machine 
and try sending again.
Q
Did you connect the power cord to the machine just now?
A
Wait for a while. After connecting the power cord, the machine cannot scan documents immediately. 
Q
Is the machine set for the correct telephone line type (pulse/tone)?
A
Make sure the machine is set for the correct telephone line type. (See “Setting the Telephone Line 
Type,” on p. 3-5.)
Q
Is the document loaded?
A
Remove the document, stack it if necessary, and load it in the ADF correctly.
Q
Is the One-Touch Speed Dial button or Coded Speed Dialing code you entered registered for the 
feature you want to use?
A
Check the One-Touch Speed Dial button or Coded Speed Dialing code and make sure it is 
registered correctly. (See Chapter 5, “Speed Dialing.”)
Q
Did you dial a correct number? Or have you been provided with an incorrect number?
A
Dial the number again, or check that you have the correct number.
Q
Does the other party’s fax machine have enough paper?
A
Call the other party and ask them to make sure paper is loaded in their fax machine.
 
						

							Faxing Problems
14-16
Troubleshooting14
Q
Did an error occur during sending?
A
Print an ACTIVITY REPORT and check for an error. (See “Activity Repor t,” on p. 13-1.)
Q
Is the telephone line working properly?
A
Make sure there is a dial tone when you pick up the handset of the telephone connected to the 
machine. If there is no dial tone, contact your local telephone company.
Q
Is the receiving fax machine a G3 fax machine?
A
Make sure the receiving fax machine is compatible with the machine (which is a G3 fax machine).
Q
The other party’s telephone may be busy or the other party’s fax machine may be turned off. Is 
 shown on the ERROR TX REPORT?
A
The fax/telephone number you dialed is busy. Try sending the document later.
A
The other party’s fax machine is not working. Contact the other party and have them check their fax 
machine.
Q
Did the receiving fax machine answer within 55 seconds (after all automatic redialing attempts)?
A
Contact the other party and have them check their fax machine. For an overseas call, add pauses to 
the registered number. (See “Dialing Long Distance,” on p. 10-2.)
Q
Is the In Use/Memory indicator lighting?
A
The In Use/Memory indicator may light, which means the extension phone is busy. Please wait until 
the extension phone becomes free.
Faxes sent from the machine are spotted or dirty.
Q
Is the machine (sending fax machine) working properly?
A
Check the machine by making a copy. For more information, see Chapter 11, “Making Copies.”
If the copy is clear, the problem may be in the receiving fax machine. If the copy is spotted or dirty, 
clean the scanning area in the machine. For more information, see Chapter 15, “Maintaining Your 
Machine.”
Q
Is the document loaded?
A
Remove the document, stack it if necessary, and load it in the ADF correctly. (See “Loading 
Documents in the ADF,” on p. 6-3.)
 
						

							Faxing Problems
14-17
Troubleshooting14
Cannot send using ECM (Error Correction Mode).
Q
Does the receiving fax machine support ECM?
A
If the receiving fax machine does not support ECM, the document is sent in the normal mode without 
error checking.
Errors occur frequently while sending.
Q
Are the telephone lines in proper condition? Or do you have a good connection?
A
Lower the transmission speed. (See “3.TX START SPEED,” on p. 16-6.)
Receiving Problems
Cannot receive a fax automatically.
Q
Is the machine set to receive automatically?
A
For the machine to receive faxes automatically, the receive mode must be set to  mode, 
 mode, or . (See Chapter 7, “Receiving Faxes.”) If you have set , 
confirm that an answering machine is connected to the machine and that it is turned on with an 
outgoing message properly recorded.
If you set  to  in  of the Menu, the machine will 
receive faxes automatically even when the receive mode is set to  mode. (See “4.MAN/
AUTO SWITCH,” on p. 16-10.)
Q
Is the memory full?
A
Wait for the machine to finish any fax or print jobs stored in the memory or delete them from the 
memory. (See p. 12-2) Then ask the other party to resend the fax.
Q
Did an error occur during reception?
A
Print an ACTIVITY REPORT and check for an error. (See “Activity Report,” on p. 13-1.) You can also 
check the RX REPORT when it is printed automatically. (See “Reception (RX) Report,” on p. 13-5.)
Q
Is the telephone line connected properly?
A
Make sure all line connections are secure. (See “Connecting the Telephone Line,” on p. 2-8.)
 
						

							Faxing Problems
14-18
Troubleshooting14
The machine does not switch automatically between telephone and fax receptions.
Q
Is the machine set to switch automatically between telephone and fax receptions?
A
For the machine to switch automatically, the receive mode must be set to . (See Chapter 
7, “Receiving Faxes.”)
Confirm that an answering machine is connected to the machine and that it is turned on with an 
outgoing message properly recorded.
Q
Are you answering the call on a telephone connected to the machine?
A
Answer calls using the optional handset or a telephone connected to the unit.
Q
Is the sending fax machine able to send the CNG signal that tells the machine that the incoming 
signal is a fax?
A
Some fax machines cannot send the CNG signal that tells the machine the incoming call is a fax. 
In such cases, you will have to receive the fax manually. (See “Receiving Faxes Manually: Manual 
Mode,” on p.7-4.)
Cannot receive a document manually.
Q
Is the machine set to receive manually?
A
For the machine to receive faxes manually, the receive mode must be set to  mode. (See 
Chapter 7, “Receiving Faxes.”)
Q
Did you press [Start] after hanging up the handset?
A
Always press [Start] before hanging up the handset. Otherwise you will disconnect the call.
Print quality is poor.
Q
Are you using the correct type of paper?
A
Make sure you load paper that meets the paper requirements for the machine. For more information, 
see Chapter 11, “Making Copies.”
Q
Is the sending fax machine functioning properly?
A
The sending fax machine usually determines the fax’s quality. Call the sender and have them make 
sure the scanning glass of their fax machine is clean.
Faxes do not print.
Q
Is the cartridge installed properly?
A
Make sure the cartridge is installed properly. For more information, see “Installing/Replacing the 
Toner Cartridge,” on p. 2-18.
 
						

							Faxing Problems
14-19
Troubleshooting14
Q
Is any toner left in the cartridge?
A
Replace the cartridge with a new one. For more information, see “Installing/Replacing the Toner 
Cartridge,” on p. 2-18.
A
Select  in  in  of the Menu. With this 
setting, the machine will not store documents in the memory even if the toner has run out. 
(See “2.TONER SUPPLY LOW,” on p. 16-11.)
Q
Is the correct paper loaded in the cassette?
A
Make sure paper is loaded in the cassette. For more information, see Chapter 4, “Paper Handling.”
A
Load the correct paper size or change  in  of the Menu. For 
more information see Chapter 4, “Paper Handling,” or Chapter 11, “Making Copies.”
Faxed images are blotched or uneven.
Q
Are the telephone lines in proper condition? Or do you have a good connection?
A
ECM (Error Correction Mode) for sending/receiving should eliminate such problems. However, if the 
telephone lines are in poor condition, you may have to try again. Then call the sender to resend the 
document.
Q
Is the sending fax machine functioning properly?
A
The sending fax machine usually determines the fax’s quality. Call the sender and have them make 
sure the scanning glass of their fax machine is clean.
Cannot receive a fax using ECM (Error Correction Mode).
Q
Does the sending fax machine support ECM?
A
If the sending fax machine does not support ECM, the document is received in the normal mode 
without error checking.
Errors occur frequently while receiving.
Q
Is the sending fax machine functioning properly?
A
Call the sender and have them check that their fax machine is functioning properly.
 
						

							Telephone Problems
14-20
Troubleshooting14
Telephone Problems
You cannot dial.
Q
Is the telephone line connected properly?
A
Make sure all line connections are secure. (See “Connecting the Telephone Line,” on p. 2-8.)
Q
Is the machine set for the correct telephone line type (pulse/tone)?
A
Make sure the machine is set for the correct telephone line type. (See “Setting the Telephone Line 
Type,” on p.3-5.)
The telephone disconnects while you are talking.
Q
Is the telephone line connected in securely?
A
Check that the telephone cables are connected securely to the jacks on the machine, the telephone 
jack on your wall and the jack on your telephone. (See “Connecting the Telephone Line,” on p. 2-8.)
 
						

							Copying Problems
14-21
Troubleshooting14
Copying Problems
The machine will not make a copy.
Q
Is the cartridge installed correctly?
A
Make sure the cartridge is installed correctly. (See “Installing/Replacing the Toner Cartridge,” on 
p. 2-18.)
Q
Is the sealing tape removed from the cartridge?
A
Remove the sealing tape from the cartridge. (See “Installing/Replacing the Toner Cartridge,” on 
p. 2-18.)
Q
Is the cassette inserted completely into the machine?
A
Insert the cassette as far as it will go. (See “Loading Paper in the Cassette,” on p. 2-22.)
Q
Did you connect the power cord to the machine just now?
A
Wait for a while. After connecting the power cord, the machine cannot scan documents immediately. 
Q
Is the document loaded correctly?
A
Remove the document, stack it if necessary, and load it in the ADF correctly. (See “Loading 
Documents in the ADF,” on p. 6-3.)
A
Make sure the ADF is closed.
If the documents have black streaks or appear dirty after you feed them in the ADF.
Q
Are the scanning glass and rollers of the ADF clean?
A
Clean the scanning glass and rollers of the ADF. (See “Cleaning the ADF Area,” on p. 15-2.)
NOTEFor additional troubleshooting, see “Print Quality Problems,” on p. 14-22.
 
						

							Print Quality Problems
14-22
Troubleshooting14
Print Quality Problems
The print quality is not what you expect; print is not clear, has missing dots or white streaks.
Q
Are the size, thickness and type of the paper you are using within the specifications of the machine?
A
Check that the paper you are using is supported by the specifications of the machine. (See “Print 
Media Requirements,” on p. 4-1.)
Q
Is the cartridge installed correctly?
A
Make sure the cartridge is installed correctly. (See “Installing/Replacing the Toner Cartridge,” on 
p. 2-18.)
Q
Is any toner left in the cartridge?
A
Replace the cartridge if necessary. (See “Installing/Replacing the Toner Cartridge,” on p. 2-18.)
Q
Is the exposure adjusted correctly?
A
Adjust the exposure correctly using [Exposure]. (See “Adjusting the Exposure (Density),” on p. 11-6.)
Copies are dirty.
Q
Is the scanning glass or the scanning glass cover clean?
A
Clean the scanning glass or the scanning glass cover. (See “Cleaning the ADF Area,” on p. 15-2.)
Q
Is the cartridge free of damage?
A
If there is a scratch on the cartridge, replace with a new one. (See “Installing/Replacing the Toner 
Cartridge,” on p. 2-18.)
Q
Is the machine adjusted to room temperature? If not, condensation might build up inside the 
machine.
A
Allow at least 2 hours for the machine to adjust to room temperature before attempting to use it.