Canon C755 사용자 설명서

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Chapter 12
Maintenance
12-9
Maintenance
Testing and Cleaning the BJ Cartridge Print Head
The print head in the BJ cartridge contains nozzles through which ink is propelled onto
the paper. To maintain the best possible print quality, these nozzles need to be cleaned
from time to time. Your MultiPASS is equipped with a print head cleaning function that
does this.
Printing the Nozzle Check Pattern
Before cleaning the print head, you may want to print the nozzle check pattern to test
the print head of the BJ cartridge installed in the MultiPASS. This test shows if each
print head nozzle is operating properly.
cartridge print head.
Follow this procedure to print the nozzle check pattern:
1
Press .
2
Press .
3
Press .
• The MultiPASS prints the nozzle check pattern.
When the Color BJ cartridge is installed, the pattern includes all four colors; yellow,
magenta, cyan, and black.
n
Print the nozzle check pattern again after cleaning the BJ cartridge print head to check if cleaning
corrected the problem.
Nozzle Check Pattern
If the pattern is broken, missing, 
or a specific color is not printed, 
BJ Cartridge Head Position
If these vertical lines are misaligned, 
Set
NOZZLE CHECK
10
Cleaning
Function