Canon pixma mp170

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Chapter 9
Routine Maintenance
When Printing Becomes Faint Or Color Is Incorrect
When printing becomes faint or colors are incorrect, the FINE Cartridge Nozzles are probably 
clogged. Follow the procedures below to clean these nozzles.
Note
Before Performing Maintenance
Remove the FINE Cartridge once, then reinsert it into place.
See “Replacing A FINE Cartridge” on page 68
Adjusting the printer driver for the [Print Quality] setting to [High] for 
Windows, or [Fine] for a Macintosh, may improve the print quality.
See the Printer Driver Guide.
Step 1
After FINE 
Cartridge Cleaning,
print the nozzle 
check pattern.
If missing lines or white stripes appear
Step 2
If the problem persists after performing
FINE Cartridge Cleaning twice
Step 3
If the problem still persists after performing
FINE Cartridge Deep Cleaning twice
Step 4
Note
If ruled lines appear misaligned when printed, adjust the FINE Cartridge position.
See “Aligning The FINE Cartridge” on page 80.