Canon MX490 series Online Manual page 612

White Streaks
Did you confirm the paper and print quality settings?
Check1
Print Results Not Satisfactory
Print the Nozzle Check Pattern and perform any necessary maintenance
Check2
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
Cleaning, and Print Head Deep Cleaning.
• If the Nozzle Check Pattern is not printed correctly:
After performing the Print Head Cleaning, print the Nozzle Check Pattern and examine the pattern.
• 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. When you turn the machine off, do not unplug it
from the power supply.
• If the problem is not resolved after performing the Print Head Deep Cleaning twice:
Ink may have run out. Replace the FINE cartridge.
When a FINE cartridge runs out of ink, replace it with a new one.
Check3
When using paper with one printable surface, make sure that the paper is
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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.
Is the FINE cartridge installed properly?
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If the FINE cartridge is not installed securely, ink may not be ejected correctly.
Open the paper output cover, then remove the FINE cartridges.
for the Nozzle Check Pattern printing, Print Head
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