Canon BJC 7000 - Manual (Page 48)

Cleaning the Print Heads
Your printer is equipped with a print head cleaning function to ensure constant
high quality printing.
The printer automatically performs print head cleaning each time you turn it on.
Cleaning the Print Heads From Windows
If you are using Windows, you can execute print head cleaning from the Control
tab in the BJC-7000 Printer Driver.
1
Start the
printer
driver and
click the
Control tab.
o Now click the first Print Head Cleaning icon.