Canon BJC 3000 Reference Manual page 216

Check 3
Is the print head dirty?
Clogged print head nozzles can cause ink spread and blurring, so clean the
print head.
1
Open the Printer Properties dialogue box.
2
Click the normal print head cleaning icon
box in the Maintenance tab.
3
In the Print Head Cleaning dialogue box, click the Execute button.
Cleaning the Print Head
in the Print Head Cleaning
Troubleshooting - Printout is Unsatisfactory
Ink blurred
216