Canon Fax L120 User Guide

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4-7 Advanced Fax 
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No automatic switching between telephone and fax calls.
Q Is the machine set to switch automatically 
between telephone and fax calls?AFor the machine to switch between fax and 
telephone calls automatically, the receive mode 
must be set to  or . 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. (See “Setting the Receive Mode,” on 
p. 1-7.)Q Is a document stored in memory, leaving little 
or no memory available?APrint, send, or delete any documents stored in 
memory.Q Has an error occurred during reception?ACheck the LCD for an error message. (See 
Chapter 9, “Troubleshooting,” in the Basic Guide.)APrint an Activity Report and check for an error. 
(See “Printing Reports and Lists,” on p. 2-3.)
Q Is paper loaded in the machine?AMake sure paper is loaded in the machine. (See 
“Load Paper,” in the Starter Guide.)Q Can the sender’s fax machine send the CNG 
signal, which tells your machine that the 
incoming call is a fax call?ASome fax machines cannot send this signal. In 
such cases, receive the fax manually.
 
						

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4-8 Advanced Fax 
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Appendix
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Index
Cannot receive a document manually.
Q Have you disconnected the call by pressing 
[Start] or dialing the remote reception ID after 
hanging up?AAlways press [Start] or dial the remote reception ID 
before hanging up. Otherwise you will disconnect 
the call.
Print quality is poor.Q Is the correct type of paper loaded in the 
machine?AMake sure you load paper that meets the 
requirements for use. (See Chapter 3, “Print 
Media,” in the Basic Guide.)Q Is the sender’s fax machine functioning 
properly?AContact the other party and have them check that 
the scanning components of their machine are 
clean.
Faxes do not print.
Q Have you removed the plastic seal from the 
toner cartridge?AMake sure you remove the seal from the cartridge. 
(See “Install Cartridge,” in the Starter Guide.)Q Is the toner cartridge installed properly?AMake sure the toner cartridge is installed properly. 
(See “Install Cartridge,” in the Starter Guide.)Q Is the cartridge out of toner?AReplace the toner cartridge. (See Chapter 8, 
“Maintenance,” in the Basic Guide.)
 
						

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4-9 Advanced Fax 
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Received faxes print blotched or unevenly.
Q Are the telephone lines in poor condition, or do 
you have a bad connection?AError Correction Mode (ECM) should eliminate 
such problems. However, if the telephone lines are 
in poor condition, you may have to try again.Q Is the sender’s fax machine functioning 
properly?AAsk the other party to check that the scanning 
components of their fax machine are clean.Q Is toner low or unevenly distributed?ARedistribute the toner inside the toner cartridge. If 
the problem persists, replace the toner cartridge. 
(See Chapter 8, “Maintenance,” in the Basic 
Guide.)
Cannot receive using Error Correction Mode (ECM).Q Does the sender’s fax machine support ECM?AIf this is the case, the document is received without 
ECM.
Errors occur frequently while receiving.
Q Are the telephone lines in poor condition, or do 
you have a bad connection?ACheck if there is a device nearby that interferes 
with signal reception (i.e., microwave oven).Q Is the sender’s fax machine functioning 
properly?AAsk the other party to check that their fax machine 
is functioning properly.
 
						

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Copying ProblemsCannot make copies.
Q Have you removed the plastic seal from the 
toner cartridge?AMake sure you remove the seal from the cartridge. 
(See “Install Cartridge,” in the Starter Guide.)Q Is the toner cartridge installed properly?AMake sure the toner cartridge is installed properly. 
(See “Install Cartridge,” in the Starter Guide.)Q Is the document loaded correctly?AMake sure the document is correctly loaded. (See 
Chapter 2, “Document Handling,” in the Basic 
Guide.)AMake sure the cartridge cover is fully closed.Q Does the document meet the requirements for 
the machine?AMake sure you load documents that meet the 
requirements for use. (See Chapter 2, “Document 
Handling,” in the Basic Guide.)
 or  appears in the LCD when making 
copies.
Q Has an error occurred during transmission or 
reception?AChange to the fax mode and check the LCD for an 
error message. (See Chapter 9, “Troubleshooting,” 
in the Basic Guide.)Q Is the machine’s memory full?AChange to the fax mode and check if the memory 
is not full.
 
						

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Telephone ProblemsCannot dial.
Q Is the telephone cable connected properly?AMake sure the cable is connected properly. (See 
“Connect Telephone Cables and Install Handset,” 
in the Starter Guide.)Q Is the power cord plugged in securely?ACheck that the power cord is securely plugged into 
the machine and into the wall outlet. If the machine 
is plugged into a power strip, make sure the power 
strip is plugged in and turned on.Q Is the machine set for the correct telephone line 
type?AMake sure the machine is set for the correct 
telephone line type. (See “Set the Telephone Line 
Type,” in the Starter Guide.)
Handset or telephone disconnects while you are talking.
Q Is the telephone cable connected properly?AMake sure the cable is connected properly. (See 
“Connect Telephone Cables and Install Handset,” 
in the Starter Guide.)Q Is the power cord plugged in securely?ACheck that the power cord is securely plugged into 
the machine and into the wall outlet. If the machine 
is plugged into a power strip, make sure the power 
strip is plugged in and turned on.Q Is the optional handset or telephone cable 
defective?AUse another cord.
 
						

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4-12 Advanced Fax 
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Printing ProblemsNothing prints.
Q Is the power cord plugged in securely?ACheck that the power cord is securely plugged into 
the machine and into the wall outlet. If the machine 
is plugged into a power strip, make sure the power 
strip is plugged in and turned on.Q Have you removed the plastic seal from the 
toner cartridge?AMake sure you remove the seal from the cartridge. 
(See “Install Cartridge,” in the Starter Guide.)Q Is the cartridge out of toner?AReplace the toner cartridge. (See Chapter 8, 
“Maintenance,” in the Basic Guide.)
Printout does not match paper size.Q Does the size of paper loaded in the machine 
match the paper size setting?ALoad the correct-size paper or change the paper 
size setting. (See Chapter 3, “Print Media,” in the 
Basic Guide.)
Printout is skewed.
Q Is the paper loaded correctly?AMake sure the paper is correctly loaded in the 
machine. (See “Load Paper,” in the Starter Guide.)AMake sure the paper delivery slot is free of 
obstructions.
 
						

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Paper jams occur.
Q Is the correct type of paper loaded in the 
machine?AMake sure you load paper that meets the 
requirements for use. (See Chapter 3, “Print 
Media,” in the Basic Guide.)
Printout is not clear.Q Is the copy density adjusted properly?AAdjust the density properly. (See Chapter 6, 
“Copying,” in the Basic Guide.)Q Is the toner cartridge installed properly?AMake sure the toner cartridge is installed properly. 
(See “Install Cartridge,” in the Starter Guide.)Q Is toner low or unevenly distributed?ARedistribute the toner inside the cartridge. If the 
problem persists, replace the cartridge. (See 
Chapter 8, “Maintenance,” in the Basic Guide.)Q Is the correct type of paper loaded in the 
machine?AMake sure you load paper that meets the 
requirements for use. (See Chapter 3, “Print 
Media,” in the Basic Guide.)
Q Are you printing on the wrong side of the 
paper?ASome papers have a “right” side for printing. If the 
print quality is not as clear as you think it should be, 
try printing on the other side of the paper.
Printout has vertical white streaks.Q Is toner low or unevenly distributed?ARedistribute the toner inside the cartridge. If the 
problem persists, replace the cartridge. (See 
Chapter 8, “Maintenance,” in the Basic Guide.)
 
						

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5-1 Advanced Fax 
Features
Status Monitor
Reports and Lists
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Appendix
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Index
5 Appendix
Glossary ................................................................................................... 5-2
Index ......................................................................................................... 5-9
 
						

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5-2 Advanced Fax 
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Glossary
A
AC
Alternating current. The type of electrical current available from a 
wall outlet.
Activity Report
A journal of the machine’s fax transactions, both sent and 
received.
Automatic Document Feeder (ADF)
The device included in the machine that feeds the document 
being faxed or copied into the machine.
Automatic redialing
When the receiving fax machine is busy or does not answer, or 
when an error occurs while sending, the machine waits a 
specified time and then automatically redials the number. If the 
receiving fax is still busy or does not answer, the machine waits 
the specified time and dials again.
B
bps
Bits per second. Refers to the speed with which a fax machine 
sends and receives data.
Broadcasting
Transmitting documents to more than one location (through the 
machine’s memory).
C
CNG
Calling Tone. This is a signal sent by fax machines to identify the 
call as an incoming document. When the receiving fax detects 
this signal, it automatically starts to receive the fax transmission. 
The majority of fax machines in use today can send and detect 
CNG signals.
Coded Speed Dialing
An automatic dialing method that allows you to dial a fax or 
telephone number by pressing [Coded Dial] and a three-digit 
code using the numeric buttons.
Cursor
The underline symbol you see on the LCD display when you 
register numbers and names in the machine.
 
						

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5-3 Advanced Fax 
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Dialing methods
Ways of pressing one or more buttons to access a number to 
connect to an outside party or fax machine.
Dialing methods include one-touch speed dialing, coded speed 
dialing, group dialing, directory dialing, redialing, and regular 
dialing with the numeric buttons.
Document
The sheet of paper containing the data that you send to, or 
receive from a machine.
dpi
Dots per inch. A machine of measurement for indicating a 
machine’s resolution.
DRAM
Memory that is used for temporary storage of information such 
as: documents you want to print, scanned and received 
documents, and downloaded fonts.
Dual access (Multitasking)
Enables the machine to receive a fax, even if it is copying or 
printing a document. Also enables you to load other faxes into 
memory, make copies, print out reports, print documents or 
register information while the machine sends a fax from memory.
E
ECM
Error Correction Mode. The ability of your machine to reduce 
system and line errors when sending or receiving from another 
fax with ECM capability. ECM is most effective in areas where the 
telephone lines are in poor condition or there is frequent 
interference on the line.
Extension
A telephone connected to the machine that is used in place of the 
handset. You can use the extension telephone to activate 
incoming reception of documents manually.
F
FAX/TEL switching
This option allows you to set the machine to automatically detect 
whether a call is from a fax or telephone. If the call is from another 
fax, the transmission is automatically received. If the call is from a 
telephone, the machine rings to let you know, so you can pick up 
the handset. With this feature, one telephone line can be shared 
by both the telephone and the fax.
FINE
The resolution setting for documents with very small characters 
and lines.