Canon Color Bubble Jet BJC-1000 Series User Manual page 64

You use the Test Prints option on the Maintenance tab in your
BJC-1000 Series Printer Driver for Windows to print a Nozzle Check
Pattern.
Click on the Test Prints option and then click OK.
N
You can also print the Nozzle Check Pattern by pressing the purple
button on top of the printer. Quickly press it twice to start printing.
4-6 Maintaining the Printer
BC-05 COLOR BJ CARTRIDGE NOZZLE CHECK PATTERN
BC-02 BLACK BJ CARTRIDGE NOZZLE CHECK PATTERN
CLICK HERE
YELLOW
MAGENTA
CYAN
Chapter 4