Instructions For Changing Waste Ink Absorber Canon I9900 Printer How Do You Change The Waste Ink On A Canon Multipass MP390?

How do you change the waste ink on a Canon Multipass MP390? - instructions for changing waste ink absorber canon i9900 printer

My printer keeps saying that I need to change the ink waste. So far, I discovered that somewhere in the sponge of the cartridge holder. I can not imagine how life change for clarification or, or what I do. Also, if you give instructions to the printer, flashing back to me quite waste. Thank you!