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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.
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.
Refer to the flow chart (1 p. 12-8) for the correct order of testing and cleaning the
BJ cartridge print head.
Follow this procedure to print the nozzle check pattern:
Function
1
Press
10
2
Press
Cleaning
Set
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.
24
24
24
64
n
Print the nozzle check pattern again after cleaning the BJ cartridge print head to check if
cleaning corrected the problem.
Chapter 12
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NOZZLE CHECK
YELLOW
Nozzle Check Pattern
MAGENTA
CYAN
If the pattern is broken, missing,
BLACK
or a specific color is not printed,
see Cleaning the BJ Cartridge
Print Head , p. 12-10.
12-9
Maintenance
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