Canon PIXMA MP140 Series Quick Start Manual page 47

Printing Does Not Start/Printing Is Blurred/Colors Are Wrong, Uneven
or Streaked/Straight Lines Are Misaligned/White Streaks Appear/Ink
Blots Appear
Cause
FINE Cartridge is not installed properly
/ There is no ink left.
Print Head nozzles are clogged.
Remove the FINE Cartridge, then reinstall it.
Small dusts may be stuck between the contact points. In this case, the print
result may be improved by reinstalling the FINE Cartridge.
Also, check that the protective tape (A) is removed.
Print the nozzle check pattern to check for uneven ink output.
If the nozzle check pattern does not print out properly
Clean the Print Head and then print the nozzle check pattern to check that
ink is ejecting properly.
If the 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,
perform Print Head Deep Cleaning again.
If the problem is still not resolved after performing Print Head Deep
Cleaning twice
A FINE Cartridge may have run out of ink. Replace it with a new one.
For details on how to print the nozzle check pattern, how to clean the Print
Head, and how to perform Print Head Deep Cleaning, see "When Printing
Becomes Faint or Colors Are Incorrect" on page 18.
Action
(A)
Troubleshooting 43