Canon printer imageCLASS MF3110 User Manual

							Paper Feeding Problems9-11
Troubleshooting
9
Paper Feeding Problems
Paper does not feed correctly.
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. 2-4.)
Q Is paper loaded correctly?
A Make sure the paper stack in the cassette or the paper in the multi-purpose feeder is loaded properly, and that the paper guides are adjusted correctly. (See 
Loading Paper, on p. 2-4.)
Q Is the cassette inserted into the machine correctly?
A Push the cassette into the machine as far as it will go, and make sure the cassette is not tilted or inserted at an angle.
Paper feeds skewed. (Printing is skewed.)
Q Is paper loaded correctly?
A Make sure the paper stack in the cassette or the paper in the multi-purpose feeder is loaded properly, and that the paper guides are adjusted correctly. (See 
Loading Paper, on p. 2-4.)
A Make sure the paper exit path is clear.
Multiple sheets feed into the machine at the same time.
Q Is paper loaded correctly?
A Make sure the paper stack in the cassette or the paper in the multi-purpose feeder is loaded properly, and that the paper guides are adjusted correctly. (See 
Loading Paper, on p. 2-4.)
Q Have you fanned the paper stack before loading it in the cassette?
A Be sure to fan the paper stack before loading it in the cassette. This keeps the sheets of paper from sticking together.
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							Paper Feeding Problems9-12
Troubleshooting
9
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. 2-4.)
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 2, 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 paper guides are adjusted 
correctly. (See Loading Paper, on p. 2-4.)
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.
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 2, 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 2, Paper Handling.)
A Check if the appropriate paper type is selected in  in  of the Menu. (See Specifying the Paper Type, on p. 2-12.)
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							Paper Feeding Problems9-13
Troubleshooting
9
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. 2-1.)
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. 2-15.)
A Do not place objects other than paper on the output tray. (See Face Down Paper Output Area, on p. 2-15.)
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 Specifications, on p. 11-1. For safety 
warnings and cautions, see Installation, on p. xiv.
Envelopes do not feed correctly.
Q Are the envelopes loaded correctly?
A Make sure the envelopes are loaded correctly. (See Loading an Envelope in the Multi-Purpose Feeder, on p. 2-9.) 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 multi-purpose feeder. (See Loading an Envelope in the Multi-Purpose Feeder, 
on p. 2-9.)
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							Copying Problems9-14
Troubleshooting
9
Copying Problems
The machine will not make a copy.
Q Is the cartridge installed correctly?
A Make sure the cartridge is installed correctly. (See the Set-Up Instructions.)
Q Is the sealing tape removed from the cartridge?
A Remove the sealing tape from the cartridge. (See the  Set-Up Instructions.)
Q Is the cassette inserted completely into the machine?
A Insert the cassette as far as it will go. (See the  Set-Up Instructions.)
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 energy saver mode off?
A The machine does not scan documents, if it is in the energy saver mode. To restore the machine from the energy saver mode, press [Energy Saver].
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							Print Quality Problems9-15
Troubleshooting
9
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. 2-1.)
Q Is the cartridge installed correctly?
A Make sure the cartridge is installed correctly. (See the  Set-Up Instructions.)
Q Is any toner left in the cartridge?
A See When to Replace the Cartridge, on p. 8-3, and replace the cartridge if 
necessary. (See Replacing the Cartridge, on p. 8-13.)
Q Is the exposure adjusted correctly?
A Adjust the exposure correctly using [Exposure]. (See Adjusting the Exposure (Density), on p. 5-6.)
Copies are dirty.
Q Is the platen glass or the platen glass cover clean?
A Clean the platen glass or the platen glass cover. (See Cleaning the Scanning Area, on p. 8-2.)
Q Is the cartridge free of damage?
A If there is a scratch on the cartridge, replace with a new one. (See Replacing the Cartridge, on p. 8-13.)
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.
Q Is the machine installed in a stable location?
A Install the machine in a proper location. (See Installation, on p. xiv.)
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							Print Quality Problems9-16
Troubleshooting
9
Copies are too dark or too light.
Q Is the exposure adjusted correctly?
A Adjust the exposure correctly using [Exposure]. (See Adjusting the Exposure (Density), on p. 5-6.)
Q Is the machine in the toner saver mode?
A Set  to  in  of the Menu. (See  of Menu Descriptions, on p. 10-2.)
The printouts are partly missing or shaded when you make copies on heavy paper.
Q Is the paper type set correctly?
A Select  or  in  in  of the Menu. (See Specifying the Paper Type, on p. 
2-12.)
The printouts are missing when you make copies on rough paper.
Q Is the paper type set correctly?
A Select  in  in  of the Menu. (See Specifying the Paper Type, on p. 2-12.)
The printouts are missing when you make copies using the 2 on 1 copy function.
Q Are the documents LTR-size or A4-size?
A Be sure to use two sheets of LTR-size or A4-size documents when you make copies using the 2 on 1 copy function.
The edges of copies are dirty when you make copies.
Q Is the paper size set correctly?
A Specify the appropriate paper size in  in  of the Menu. (See Specifying the Paper Size, on p. 2-11.)
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							Printing Problems9-17
Troubleshooting
9
Printing Problems
The Alarm indicator comes on.
Q Does the machine feed paper correctly, or is there paper in the cassette or multi-purpose feeder?
A Clear the paper jam, or load paper in the cassette or multi-purpose feeder. (For instructions on clearing paper jam, see Clearing Jams, on p. 9-1. For 
instructions on loading paper, see Loading Paper, on p. 2-4.)
A If the machine has no paper jam, or paper is loaded in the cassette or multi-purpose feeder, unplug the machine and wait approximately 3 minutes to 
5 minutes, then plug it in again. If the problem is fixed, the Alarm indicator will 
turn off, and the LCD will return to the standby mode. If the Alarm indicator 
remains flash, unplug the machine, and contact Canon Authorized Service 
Facilities or the Canon Customer Care Center.
Printout does not match paper size.
Q Is the paper stack loaded and aligned correctly in the cassette, or is paper loaded in the multi-purpose feeder correctly?
A Make sure the paper is loaded and aligned correctly in the cassette or the paper is loaded correctly in the multi-purpose feeder. (See Loading Paper, on p. 2-4.)
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							Scanning Problems9-18
Troubleshooting
9
Scanning Problems
The machine will not scan a document.
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 USB cable connected securely?
A Check that the USB cable is connected securely to the machine and your computer. Disconnect the USB cable, and reconnect it correctly after a while.
Scanned images are dirty.
Q Is the platen glass or the platen glass cover clean?
A Clean the platen glass or the platen glass cover. (See Cleaning the Scanning Area, on p. 8-2.)
White streaks appear on the left side of the image.
Q Is the document placed on the platen glass correctly?
A Place the document approximately 1/8 (3 mm) from the edge of the platen 
glass.
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							General Problems9-19
Troubleshooting
9
General Problems
The machine has no power.
Q Is the power cord plugged in securely?
A Check that the power cord is plugged securely into the machine and into the wall outlet. Insert the power cord straight into the power socket on the back of 
the machine. Do not insert it at an angle. Otherwise, the machine may not be 
properly connected to the power source and may not turn on. If this happens, 
disconnect the power cord, and reconnect it correctly after a minute or more. 
(See the  Set-Up Instructions .) 
Nothing appears in the LCD.
Q Is the power cord plugged in securely?
A Check that the power cord is plugged securely into the machine and into the 
wall outlet. Insert the power cord straight into the power socket on the back of 
the machine. Do not insert it at an angle. Otherwise, the machine may not be 
properly connected to the power source and may not turn on. If this happens, 
disconnect the power cord, and reconnect it correctly after a minute or more. 
(See the  Set-Up Instructions .) If the LCD remains blank, unplug the machine 
and wait approximately 3 minutes to 5 minutes until the temperature inside the 
machine lowers, then plug it in again. If the LCD remains blank, unplug the 
machine, and contact Canon Authorized Service Facilities or the Canon 
Customer Care Center.
Q Does the Energy Saver key go off?
A When the Energy Saver key lights up, the energy saver mode activates. To  restore the machine from the energy saver mode, press [Energy Saver].
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							If You Cannot Solve the Problem9-20
Troubleshooting
9
If You Cannot Solve the Problem
If you have a problem with your machine and you cannot solve it by referring to the 
information in this chapter, contact Canon Authorized Service Facilities or the 
Canon Customer Care Center.
CAUTION
If the machine makes strange noises, emits smoke or strange smells, unplug 
the power cord immediately, and then contact Canon Authorized Service 
Facilities or the Canon Customer Care Center. Do not attempt to disassemble or 
repair the machine yourself.
IMPORTANT
Attempting to repair the machine yourself may void the limited warranty.
If you need to contact Canon Authorized Service Facilities or the Canon Customer 
Care Center, make sure you have the following information:
•Product name 
MF3110
•Serial number  
The serial number is on the label located at the back of the machine.
•Software version number
•Place of purchase
•Nature of problem
•Steps you have taken to solve the problem and the results
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