Canon printer PIXMA MG7520 User Manual

Image Does Not Print or Prints Partially
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...

Printed Paper Curls or Has Ink Blots
 Printed Paper Has Ink Blots
 Printed Paper Curls
Check1 Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
Check2  If the intensity is set high, reduce the intensity setting and try printing again.
If you are using plain paper to print images with high intensity, the paper may absorb too much ink and become wavy, causing paper abrasion.
•
When printing from your computer
You can confirm the intensity using the printer driver....

Paper Is Smudged/Printed Surface Is Scratched
 Paper Is Smudged
The Edges of Paper Are SmudgedPrinted Surface Is Smudged
 Printed Surface Is Scratched
Check1 Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
Check2 Is the appropriate type of paper used? Check the followings:
•
Check to see if the paper you are printing on is suitable for your printing purpose.
Media Types You Can Use
•
When performing Borderless Printing, make sure that the paper you are using is...

1.
Roll up the paper in the opposite direction to the paper curl as shown below.
2.
Check that the paper is now flat.
We recommend printing curl-corrected paper one sheet at a time.
Note
•
Depending on the media type, the paper may be smudged or may not be fed properly even if it is not curled inward. In such cases, follow the procedure described below to curl the paper outward within 0.1
inch / 3 mm (B) in height before printing. This may improve the print result.
(C) Printing side
We recommend printing...

If you are using plain paper to print images with high intensity, the paper may absorb too much ink and becomewavy, causing paper abrasion.•
When printing from your computer
1.
Reduce the intensity setting in the printer driver and try printing again.
2.
Open the printer driver setup window.
How to Open the Printer Driver Setup Window
3.
On the  Main sheet, select  Manual for Color/Intensity , and then click Set....
4.
Drag the  Intensity slide bar on the  Color Adjustment  sheet to adjust the...

Back of the Paper Is Smudged
Check1 Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
Check2  Is the paper feed roller dirty?
Clean the paper feed roller.
Cleaning the Paper Feed Roller
Note
•
Cleaning the paper feed roller will wear the roller, so perform this procedure only when necessary.
Check3  Perform the Bottom Plate Cleaning to clean the inside of the machine.
Cleaning the Inside of the Machine (Bottom Plate Cleaning)
Note
•
When performing borderless printing,...

Vertical Lines Are Printed on the Sides of the Printout
Check Is the size of the loaded paper correct?
The vertical lines may be printed in the margin if the size of the loaded paper is larger than that you have
specified.
Set the paper size correctly according to the paper you loaded.
Print Results Not Satisfactory
Note
•
The direction of the vertical line pattern may vary depending on the image data or the print setting.
•
This machine performs automatic cleaning when necessary to keep printouts clean....

Colors Are Uneven or Streaked
 Colors Are Uneven
 Colors Are Streaked
Watch the movie
Check1 Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
Check2  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...

•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.
Check3  Perform Print Head Alignment.
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 .
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Ink Is Not Ejected
Check1 Has the ink run out?
Open the operation panel, then check the status of ink lamp.
Checking the Ink Status
Check2  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.
Check3  Are the print head nozzles clogged?
Print the Nozzle Check Pattern to determine whether the ink ejects properly from the...