Canon PIXMA MP140 MP140 series Quick Start Guide - Page 24

Examining the Nozzle Check Pattern - ink cartridges

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Examining the Nozzle Check Pattern Examine the nozzle check pattern output by the machine, and clean the Print Head if necessary. Note The nozzle check pattern will not be printed correctly if there is not enough ink. Replace the FINE Cartridge if the remaining amount of ink is insufficient. See "Replacing a FINE Cartridge" on page 24. (1) (2) (1) If lines of this pattern are missing, the print head nozzle needs cleaning. Example: When lines are missing (Black ink) (2) If these patterns have white streaks, the print head nozzle needs cleaning. Example: When white streaks appear (Color ink) 20 Routine Maintenance

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20
Routine Maintenance
Examining the Nozzle Check Pattern
Examine the nozzle check pattern output by the machine, and clean the Print Head if necessary.
(1)
If lines of this pattern are missing, the print head nozzle needs cleaning.
Example: When lines are missing (Black ink)
(2)
If these patterns have white streaks, the print head nozzle needs cleaning.
Example: When white streaks appear (Color ink)
Note
The nozzle check pattern will not be printed correctly if there is not enough ink. Replace the FINE
Cartridge if the remaining amount of ink is insufficient.
See “Replacing a FINE Cartridge” on page 24.
(1)
(2)