Canon fax-phone b740 Manuale
12-10
Maintenance
Chapter 12
Cleaning the BJ Cartridge Print Head
If your printouts become faint or streaked, or if their quality otherwise deteriorates, print
the nozzle check pattern to see if the print head nozzles are operating properly
(
the nozzle check pattern to see if the print head nozzles are operating properly
(
BJ cartridge print head.
cartridge print head.
n
• To maintain the best possible print quality, clean the BJ cartridge print head from time to
time.
• Cleaning the print head consumes a small amount of ink. Cleaning too often reduces the
amount of ink in the BJ cartridge.
Follow this procedure to clean the BJ cartridge print head:
1
Press .
2
Press .
3
Use or to
select
HEAD
Ex:
CLEANING
.
4
Press .
• The copier/fax cleans the print head.
n
• You can clean the print head up to five consecutive times if necessary.
• After cleaning, print the nozzle check pattern to check if cleaning corrected the problem.
• After cleaning, print the nozzle check pattern to check if cleaning corrected the problem.
• If cleaning does not improve print quality, replace the BJ cartridge (
Set
HEAD CLEANING
02
08
NOZZLE CHECK
10
Cleaning
Function