Canon PIXMA GM4040, Online Manual

Page: 380 / 447

Printouts Are Blank/Blurry or Fuzzy/Streaks or Lines
Although some air may enter the ink tube, it is not a malfunction. No problem if the nozzle check pattern is
printed correctly.
Check1
Make sure joint button is not lifted up.
Push the print head locking cover to make sure the print head is installed properly.
Next, push the joint button firmly to the end.
Finally, push the cartridge locking cover to make sure the contact protector or FINE cartridge is installed
properly.
Check Installation of Print Head
Important
• Remove the orange label and the protective tape of the print head to install it.
Check2
Check paper and print quality settings.
Printout Results Are Unsatisfactory
Check3
Are the print head nozzles clogged?
Print the nozzle check pattern and make sure that the ink is coming out normally.
For details on printing the nozzle check pattern, print head cleaning, and print head deep cleaning, see If Printing
Is Faint or Uneven .
Step1
Print the nozzle check pattern.
After printing the nozzle check pattern, examine the pattern.
• From the printer:
Printing the Nozzle Check Pattern
• From the computer:
Printing a Nozzle Check Pattern
380