Canon PIXMA TR4550, Online Manual

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White Streaks Appear
Check1
Check paper and print quality settings.
Printout Results Are Unsatisfactory
Check2
Make sure of the estimated ink levels in the FINE cartridges.
Replace empty FINE cartridges with new ones.
Replacing a FINE Cartridge
Check3
Are the print head nozzles clogged?
Print the nozzle check pattern to determine whether the ink ejects properly from the print head nozzles.
For details on printing the nozzle check pattern, print head cleaning, and print head deep cleaning, see If Printing
Is Faint or Uneven .
• If nozzle check pattern is not printed correctly:
After performing the print head cleaning, print the nozzle check pattern and examine the pattern.
• If problem is not resolved after performing print head cleaning twice:
Perform print head deep cleaning.
If the problem is not resolved after performing print head deep cleaning, turn off the printer and perform
print head deep cleaning again 24 hours later. When you turn the printer off, do not unplug it from the power
supply.
• If problem is not resolved after performing print head deep cleaning twice:
Ink may have run out. Replace the FINE cartridge.
Check4
When using paper with one printable surface, make sure paper is loaded with
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 up.
Refer to the instruction manual supplied with the paper for detailed information on the printable side.
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