Canon imagePROGRAF iPF820 User Manual page 603

11.
Wipe away any soiling on the Maintenance Cartridge Cover.
Important
•
Support the Maintenance Cartridge Cover from underneath as you wipe it.
12.
Keeping the new Maintenance Cartridge level, insert it all the way in.
13.
Close the Maintenance Cartridge Cover.
14.
Press the OK button.
The printer now initializes the Maintenance Cartridge.
Next, replace the Shaft Cleaner.
Maintenance Cartridge
Maintenance 589