Canon printer PIXMA MG7520 User Manual

							Problems with Printing Quality
Print Results Not Satisfactory
Ink Is Not Ejected
851 
						

							Print Results Not SatisfactoryIf the print result is not satisfactory due to white streaks, misaligned lines, or uneven colors, confirm the
paper and print quality settings first.
Check1  Do the page size and media type settings match the size and type of the loaded
paper?
When these settings are incorrect, you cannot obtain a proper print result. If you are printing a photograph or an illustration, incorrect paper type settings may reduce the quality of the
printout color.
Also, if you print with an incorrect paper type setting, the printed surface may be scratched.
In borderless printing, uneven coloring may occur depending on the combination of the paper type setting and
the loaded paper.
The method of confirming the paper and print quality settings differs depending on what you do with your
machine.
To copy by operating the machineConfirm by using the operation panel on the machine.
Setting Items for Copying
To copy photo by operating the machineConfirm by using the operation panel on the machine.
Copying Photos
To print from your memory card by operating the machineConfirm by using the operation panel on the machine.
Setting Items for Photo Printing Using the Operation Panel of the Machine
To print from a PictBridge (Wireless
LAN) compliant deviceConfirm by using your PictBridge (Wireless LAN) compliant device.
About PictBridge (Wireless LAN) Print Settings
Confirm by using the operation panel on the machine.
PictBridge print settings
To print from a computerConfirm by using the printer driver.
Printing with Easy Setup
Check2  Make sure that the appropriate print quality is selected referring to the table in
Check 1.
Select a print quality option suitable for the paper and image for printing. If you notice blurs or uneven colors,
increase the print quality setting and try printing again.
Note
•
When printing from a PictBridge (Wireless LAN) compliant device, set the print quality setting by using the
operation panel on the machine.
You cannot make this setting from a PictBridge (Wireless LAN) compliant device.
Check3  If the problem is not resolved, there may be other causes.
See also the sections below:
Cannot Print to End of Job
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							Part of the Page Is Not Printed
No Printing Results/Printing Is Blurred/Colors Are Wrong/White Streaks
Lines Are Misaligned
Line Does Not Print or Prints Partially
Image Does Not Print or Prints Partially
Printed Paper Curls or Has Ink Blots
Paper Is Smudged/Printed Surface Is Scratched
Back of the Paper Is Smudged
Vertical Lines Are Printed on the Sides of the Printout
Colors Are Uneven or Streaked
853 
						

							Cannot Print to End of Job
Check1 Select the setting not to compress the printing data.
If you select the setting not to compress the printing data with an application software you are using, the printing result may be improved.
Click  Print Options  on the Page Setup  sheet on the printer driver. Select the  Do not allow application
software to compress print data  check box, then click OK.
* Deselect the check box after printing is complete.
Check2  Is the size of the print data extremely large?
Click  Print Options  on the Page Setup  sheet on the printer driver. Then, set  Prevention of Print Data Loss in
the displayed dialog to  On.
* When  On is selected for  Prevention of Print Data Loss , print quality may be reduced.
Check3
 Is the space of your computer's hard disk sufficient?
Delete unnecessary files to free disk space.
854 
						

							Part of the Page Is Not Printed
Check When performing automatic duplex printing, the reason below is possible.
When performing automatic duplex printing, the printable area at the top of the page will be 0.08 inches / 2 mm
narrower than the usual.
For this reason, the bottom of the page may not be printed. To prevent this, select the setting to reduce printing
from the printer driver.
Important
•
Reduced printing may affect the layout depending on your document.
Apply the print setting specified with the application software if the software has a enlarge/reduce printing function.
1.
Open the printer driver setup window.
How to Open the Printer Driver Setup Window
2.
Check the  Duplex Printing  check box in the  Page Setup sheet.
3.
Click Print Area Setup , then select Use reduced printing .
855 
						

							No Printing Results/Printing Is Blurred/Colors Are Wrong/White
Streaks
 No Printing Results
 Printing Is Blurred
 Colors Are Wrong
 White Streaks
Watch the movie
856 
						

							Check1 Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
Check2 Check the status of ink tanks. Replace the ink tank if the ink has run out.
Replacing an Ink Tank
Check3
 Is the orange tape or protective film remaining?
Make sure that all of the protective film is peeled off and the Y-shape air hole is exposed, as illustrated in (A).
If the orange tape is left as in (B), pull the orange tape and remove it.
Check4  Print the Nozzle Check Pattern and perform any necessary maintenance
operations such as Print Head Cleaning.
Print the Nozzle Check Pattern to determine whether the ink ejects properly from the print head nozzles.Refer to 
When Printing Becomes Faint or Colors Are Incorrect  for the Nozzle Check Pattern printing, Print Head
Cleaning, and Print Head Deep Cleaning.
•
If the Nozzle Check Pattern is not printed correctly:
Check to see if a particular color's ink tank is not empty.
If the Nozzle Check Pattern is not printed correctly though ink is sufficient, perform the Print Head Cleaning and try printing the Nozzle Check Pattern again.
•
If the problem is not resolved after performing the Print Head Cleaning twice:
Perform the Print Head Deep Cleaning.
If the problem is not resolved after performing the Print Head Deep Cleaning, turn off the machine and
perform another Print Head Deep Cleaning after 24 hours.
•
If the problem is not resolved after performing the Print Head Deep Cleaning twice:
If Print Head Deep Cleaning does not resolve the problem, the print head may be damaged. Contact the
service center.
Check5  When using paper with one printable surface, make sure that the paper is
loaded with the printable side facing down.
Printing on the wrong side of such paper may cause unclear prints or prints with reduced quality. Load paper with the printable side facing down.
Refer to the instruction manual supplied with the paper for detailed information on the printable side.
857 
						

							•When copying, see also the sections below:
Check6 Is the platen glass dirty?
Clean the platen glass.
Cleaning the Platen Glass and Document Cover
Check7  Make sure that the original is properly loaded on the platen glass.
Loading Originals
Check8 Is the original loaded with the side to be copied facing down on the platen
glass?
Check9  Did you copy a printout done by this machine?
If you use a printout done by this machine as the original, print quality may be reduced depending on the
condition of the original.
Print from the machine directly, or reprint from the computer if you can reprint from it.
858 
						

							Lines Are Misaligned
Check1 Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
Check2 Perform Print Head Alignment.
If printed lines are misaligned or print results are otherwise unsatisfactory, adjust the print head position.
Aligning the Print Head
Note
•
If the problem is not resolved after performing the Print Head Alignment, perform Print Head Alignment
manually referring to 
Aligning the Print Head Manually .
Check3
 Increase the print quality and try printing again.
Increasing the print quality on the operation panel of the machine or in the printer driver may improve the print
result.
859 
						

							Line Does Not Print or Prints Partially
Check1 Is the Page Layout Printing performed or the Binding margin function used?
When the Page Layout Printing or Binding margin function is being used, thin lines may not be printed. Try
thickening the lines in the document.
Check2  Is the size of the print data extremely large?
Click  Print Options  on the Page Setup  sheet on the printer driver. Then, set  Prevention of Print Data Loss in
the displayed dialog to  On.
* When  On is selected for  Prevention of Print Data Loss , print quality may be reduced.
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