Canon BJC-3000 Series User Manual page 193

I Aligning the Print Head
Each time you replace a BJ cartridge or switch BJ cartridges for a special print job, you
must align the print head to ensure optimum results in printing.
Print head alignment
1
Open the Printer Properties dialog box, then click the Maintenance tab.
2
Click the Print Head Alignment icon in the Test Prints box.
3
When a confirmation message appears, make sure that the printer is
turned on and one sheet of plain paper is loaded, and then click the OK
button. The printer starts to print the standard head alignment pattern.
4
When the pattern is printed, click the Yes button.
Using Maintenance Functions
Using the Windows Printer Driver 193