Canon fax-phone b740 매뉴얼
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 copier/fax is equipped with a print head cleaning function that
does this.
the paper. To maintain the best possible print quality, these nozzles need to be cleaned
from time to time. Your copier/fax 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 copier/fax. This test shows if each
print head nozzle is operating properly.
the print head of the BJ cartridge installed in the copier/fax. This test shows if each
print head nozzle is operating properly.
BJ cartridge print head.
Follow this procedure to print the nozzle check pattern:
1
Press .
2
Press .
3
Press .
• The copier/fax prints the nozzle check pattern.
When the Color BJ cartridge is installed, the pattern includes all four colors; yellow,
magenta, cyan, and black. In the color pattern you will notice that lines are missing
between the colors. This is normal.
magenta, cyan, and black. In the color pattern you will notice that lines are missing
between the colors. This is normal.
n
Print the nozzle check pattern again after cleaning the BJ cartridge print head to check if
cleaning corrected the problem.
cleaning corrected the problem.
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24
24
24
24
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24
24
24
24
24
24
YELLOW
MAGENTA
CYAN
CYAN
BLACK
Set
NOZZLE CHECK
10
Cleaning
Function