Canon printer imageCLASS MF4570dn User Manual

							9-9
Troubleshooting
 If one of the following problems occurs during use, try the actions suggested here before contacting technical support. 
 Check the Following First 
 Is the power switched ON? 
Ensure that the power cord is securely plugged into the machine and into the wall outlet.
Ensure that electricity is supplied from the power cord. Use another power cord or verify that cord is broken using a voltmeter.
Turn ON the power switch. If there is no problem 
   
 Has the power switch been just turned ON? 
Wait a moment for the machine starts and warm up.
 If there is no problem 
   
 Is the machine in Sleep mode? 
Press [] (Energy Saver) on the operation panel to exit the Sleep mode.
 If there is no problem 
   
 Are the settings proper? 
If the machine emits the entry error tone and does not start operating when you press [] (Start), your combination of 
settings may be invalid. Recheck the settings.
 If there is no problem 
   
 Is the Error indicator on or blinking? 
Ensure that paper is loaded properly in the paper cassette or multi-purpose tray.
 “Loading Paper” (àP.2-9)
Check if paper is jammed.
 “Clearing Jams” (àP.9-2)
Turn OFF the power switch of the machine, wait for more than 10 seconds, and then turn it ON. If the problem is solved, the 
Error indicator will turn off and the display will return to standby mode. If the Error indicator keeps blinking, unplug the po
wer 
cord and contact your local authorized Canon dealer or the Canon help line.
 If there is no problem 
   
 Troubleshooting  
						

							9-10
Troubleshooting
 Does a message appear on the display? 
If an error message appears on the display, refer to the following section to locate the appropriate corrective action.
 “Display Message” (àP.9-6)
Print the transmission management report to see if any errors are listed.
 e-Manual à Basic Operation  à Printing a List à Printing a Communication Management Report
 If there is no problem 
   
 Is the telephone line connected or configured properly? 
Ensure that the telephone cable is properly connected. Check if the cables for the telephone line port and external device 
port on the back of the machine are connected inversely.
 “Configuring and Connecting the Fax” (à Starter Guide)
Ensure that the line type setting (dial or push) corresponds to the type of telephone line that is connected to the machine.
 “Select Line Type” (àP.6-20)
Ensure that the telephone line is not receiving interference from nearby devices such as a microwave oven. This may affect 
status of the telephone line.
 If there is no problem 
   
 If You Cannot Solve a Problem 
See “Troubleshooting” in the e-Manual, then solve the problem.
   
						

							9-11
Troubleshooting
 The machine cannot be used while power supply is cut off.    
 The fax function during a power failure •   Documents cannot be sent or received. 
•   You may not be able to make a call using the external telephone depending on your telephone. 
•   You may be able to get a call using the external telephone depending on your telephone. 
  
  IMPORTANT  
 Data storage for when power supply is cut off 
 Even if power is lost due to a power failure or accidental unplugging, any sent or received documents stored in the memory are  backed up for 
approximately 5 minutes. 
  
 
 NOTE 
 Charging the built-in battery 
 It takes approximately 24 hours to fully charge the built-in battery after the machine is turned ON. 
 If the built-in battery has not been charged fully charged, documents stored in the memory may not be properly backed up. 
  
 If a Power Failure Occurs  
						

							9-12
Troubleshooting
 Customer Support (U.S.A.) 
 If you cannot solve the problem after having referred to the 
information in this chapter, contact Canon Customer Care 
Center at 1-800-OK-CANON Monday through Friday between 
the hours of 8:00 A.M. to 8:00 P.M. EST. On-line support is also 
available 24 hours a day at the website 
http://www.canontechsupport.com.     
  
 Please have the following information ready when you 
contact Canon: •   Product name (imageCLASS MF4570dn/MF4450) 
•   Serial number (a character string which consists of three  alphabets and a 5-digit number and is indicated on the 
rating label located on the rear side of the machine) 
 
Ô MF4570dn   ÔMF4450
Rating labelRating label
•   Place of purchase 
•   Nature of problem 
•   Steps you have taken to solve the problem and the results 
  IMPORTANT  
 If you attempt to repair the machine by yourself 
 It may void the limited warranty. 
  
  
 Customer Support (Canada) 
 Canon Canada Inc., offers a full range of customer technical 
support options*: 
*   Support program specifics are subject to change without notice. 
•   For step-by-step troubleshooting, e-mail technical support, 
the latest driver or document downloads, and answers to 
frequently asked questions, visit http://www.canon.ca/  
•   Free live technical support 9 A.M. to 8 P.M. EST Monday  through Friday (excluding holidays) for products still under 
warranty 1-800-OK-CANON 
•   For the location of the authorized service facility nearest  you, visit http://www.canon.ca/ or 1-800-OK-CANON 
•   If the problem cannot be corrected by using one of the  above technical support options, repair options are 
available at the time of your call to the live technical 
support number above or via the website at 
http://www.canon.ca/ 
*   Support program specifics are subject to change without notice. 
  
  Please have the following information ready when you 
contact Canon: 
•   Product name (imageCLASS MF4570dn/MF4450) 
•   Serial number (a character string which consists of three  alphabets and a 5-digit number and is indicated on the 
rating label located on the rear side of the machine) 
 
Ô MF4570dn  
Ô MF4450
Rating labelRating label
•   Place of purchase 
•   Nature of problem 
•   Steps you have taken to solve the problem and the results 
  IMPORTANT  
 If you attempt to repair the machine by yourself 
 It may void the limited warranty. 
  
  
 If You Cannot Solve a Problem 
  WARNING 
 If the machine makes strange noises or emits smoke or 
odd odor 
 Turn OFF the power switch immediately, disconnect the 
power cord, and contact Canon Customer Care Center. 
Do not attempt to disassemble or repair the machine 
yourself. 
  WARNING 
 If the machine makes strange noises or emits smoke or 
odd odor 
 Turn OFF the power switch immediately, disconnect the 
power cord, and contact Canon Customer Care Center. 
Do not attempt to disassemble or repair the machine 
yourself.  
						

							9-13
Troubleshooting
  
  NOTE 
 Contacting your local authorized Canon dealer 
 If a problem that is not indicated in the e-Manual occurs, if none of the suggested measures solve the problem, or if you cannot determine the 
problem, contact your local authorized Canon dealer. 
  
  
 Paper  Curls 
  
 Perform one of the following solutions according to the cause. 
  
  Damp paper is used. 
Solution 1Replace the paper with new paper in an unopened package. “Paper Requirements” (àP.2-6)
Solution 2Perform the following procedure in the printer driver when you are using plainpaper (60 to 90 g/m2).
1.  Display the [Page Setup] tab.
2.  Set [Paper Type] to [Plain Paper L].
Solution 3
Change the  settings from the operation panel. e-Manual à Maintenance à Special Mode
The level of improvement according to the setting option is as following.
 à  à  à 
(low)
 (high)
*  Change of paper type or environment may reduce the curl or wrinkle problem, even without changing the setting.
*  This setting is available when •  the  is set to , , , or 
•  the  is set to , \
, , , , or 
*  As you select an option that has higer effect, printing speed becomes slower.
  
  Appropriate paper is not being used. 
SolutionReplace the paper with which can be used with this printer. “Paper Requirements” (àP.2-6)
  
 Print Result Is Not Good  
						

							9-14
Troubleshooting
 Paper  Creases 
  
 Perform one of the following solutions according to the cause. 
  
  The paper is not loaded properly. 
SolutionLoad the paper properly. “Loading Paper” (àP.2-9)
  
  Damp paper is used. 
SolutionReplace the paper with new paper in an unopened package. “Paper Requirements” (àP.2-6)
  
  Appropriate paper is not being used. 
SolutionReplace the paper with which can be used with this printer. “Paper Requirements” (àP.2-6)
  
  There is a foreign object inside the printer. 
SolutionRemove the foreign object inside the printer.
  
  Depending on the paper type or the operating environment, the paper may be creased. 
Solution 
Change the  settings from the operation panel. e-Manual à Maintenance à Special Mode
The level of improvement according to the setting option is as following.
 à  à  à 
(low)
 (high)
*  Change of paper type or environment may reduce the curl or wrinkle problem, even without changing the setting.
*  This setting is available when •  the  is set to , , , or 
•  the  is set to , \
, , , , or 
*  As you select an option that has higer effect, printing speed becomes slower.
    
 Printing Is Uneven 
   
 Perform one of the following solutions according to the cause. 
   
						

							9-15
Troubleshooting
  Paper is too moist or Too dry. 
SolutionReplace the paper with new paper in an unopened package. “Paper Requirements” (àP.2-6)
  
  Toner is nearly out. 
SolutionTo view the solution, refer to the following. “Replacing the Toner Cartridge” (àP.8-10)
  
  The drum in the toner cartridge is deteriorated. 
SolutionReplace the toner cartridge with a new one. “Replacing the Toner Cartridge” (àP.8-10)
  
  Unevenness may appear when thin lines are printed. 
Solution 
Change the  setting to  from the operation panel. e-Manual à Maintenance à Special Mode
*  If you use this mode, the following problems may occur. •  The output is less fine.
•  Toner smears even on unnecessary parts.
•  Toner consumption increases.
    
 White Specks Appear 
     
 Perform one of the following solutions according to the cause. 
  
  Appropriate paper is not being used. 
SolutionReplace the paper with which can be used with this printer. “Paper Requirements” (àP.2-6)
  
  Damp paper is used. 
SolutionReplace the paper with new paper in an unopened package. “Paper Requirements” (àP.2-6)
  
  The drum in the toner cartridge is deteriorated. 
SolutionReplace the toner cartridge with a new one. “Replacing the Toner Cartridge” (
àP.8-10)
  
  When you print a document of highly contrasting density, white specks may appear on the outlines of the text or 
images. 
Solution 
Change the [Special Print Mode] setting to [Special Settings 2] from the printer driver. e-Manual à Maintenance à Special Mode
*  When [Special Settings 2] is selected, printing density is lower than when [Off ] or [Special Settings 1] is selected.  Also, text or lines may be less clear.
  
   
						

							9-16
Troubleshooting
 The Toner Does Not Fix onto the Paper Well 
  
 Perform one of the following solutions according to the cause. 
  
  Paper type setting is not specified properly. 
Solution
Properly specify the paper type setting.
*  If you are using coarse paper, select one of the followings. •  
•  
•  
 “Setting a Paper Size and Type” (àP.2-14)
  
  Appropriate paper is not being used. 
SolutionReplace the paper with which can be used with this printer. “Paper Requirements” (àP.2-6)
  
  Depending on the environment (in low temperature environments), toner may not be fixed sufficiently, and 
output may be less clear. 
Solution 
Change the  setting to  from the operation panel. e-Manual à Maintenance à Special Mode
*  Change of environment may improve the toner fixation, even without changing the setting.
*  If you use this mode, printing speed becomes slow.
    
 The Printed Paper Has Vertical Streaks 
  
 Perform one of the following solutions according to the cause. 
  
  Depending on the paper type or the operating environment, vertical streaks may appear on the printed paper. 
Solution 1Replace the paper with new paper in an unopened package. “Paper Requirements” (àP.2-6)
Solution 2
When copying or printing received faxes
Change the  setting from the operation panel.
When printing from a computer
Change the [Special Print Adjustment] setting from the print driver.
 e-Manual à Maintenance à Special Mode
The level of improvement according to the setting option is as following.
 à  à  à  à 
(low)
 (high)
*  Change of paper type or environment may reduce the streaks, even without changing the setting.
*  As you select an option that has higher effect, printing density becomes lower. Outlines of printed text or images  may be less clear, or images may be slightly jagged. 
						

							9-17
Troubleshooting
Solution 3
When printing received faxes
Change the  setting to  from the operation panel.
When printing from a computer
Change the  setting to  from the print driver.
 e-Manual à Maintenance à Special Mode
*  Change of paper type or environment may reduce the streaks, even without changing the setting.
*  This mode is more effective than , however, printing speed becomes slow.
*  This mode has higher priority than .
  
  The toner cartridge was replaced, or the printer was not printed for a long period of time. 
Solution
Change the  setting from the operation panel. e-Manual à Maintenance à Special Mode
The level of improvement according to the setting option is as following.
 à  à  à 
(low)
 (high)
*  Change of paper type or environment may reduce the streaks, even without changing the setting.
*  As you select an option that has higher effect, printing speed becomes slower.
    
 Smudge Marks of Spattering Toner Appear around the Text or Patterns 
  
 Perform one of the following solutions according to the cause. 
  
  Appropriate paper is not being used. 
SolutionReplace the paper with which can be used with this printer. “Paper Requirements” (àP.2-6)
  
  Depending on the paper type (especially for heavy paper) or the operating environment (especially in dry 
environments), smudge marks of spattering toner may appear. 
Solution 
Change the  settings to  from the operation panel. e-Manual à Maintenance à Special Mode
*  Maintain this setting  in normal conditions. Change the setting only when the problems mentioned above  occur.
*  If you use this mode, printing quality may become lower depending on the paper type (especially for thin paper) or  environment (especially in wet environments)
  
   The Overall Print Result Is Dark 
  
 Perform one of the following solutions according to the cause. 
  
  
						

							9-18
Troubleshooting
 The copy density is not properly set. 
Solution
Adjust the  or  lower from the operation panel. “Adjusting the Density” (àP.3-4) e-Manual à Copy à Adjusting the Density à Finely Adjusting the Density
  
  The machine is exposed to direct sunlight or strong light. 
SolutionMove the machine. e-Manual à Maintenance à Transporting the Machine
    
   Copied Lines and Text Appear Faded 
 



	






	








	






	




 
 Perform the following procedure. 
  
   is set to  (default). 
SolutionSet  to , and then try to copy again. “Selecting Image Quality (Copy)” (àP.3-4)
  
 Printed Bar Codes Cannot Be Scanned 
  
Perform the following procedure.
  
  When printing a bar code with the default printing preferences, the bar code may not be able to 
be scanned. 
Solution
Change the [Special Print Mode] setting to [Special Settings 1] from the print driver. e-Manual à Maintenance à Special Mode
*  When [Special Settings 1] is selected, printing density is lower than when [Off ] is selected. Also, text or lines may be  less clear.
    
 Paper Jams Occur Frequently When Performing 2-Sided Printing (MF4570dn Only) 
Perform the following procedure.
 Depending on the paper type (especially for thin paper or curled paper), paper jams occur frequently when 
performing 2-sided printing.
Solution
Change the  settings from the operation panel. e-Manual à Maintenance à Special Mode
*  Maintain this setting  in normal conditions. Change the setting only when the problems mentioned above  occur.
*  If you use this mode when you are not using thin paper, images may become white.