I have a Canon TS 9120 printer.
It has 2 black ink cartridges.
Why does it have two black cartridges?
I printed something and it was obvious the black cartridge(s) are empty.
I would think one cartridge would empty first, then the other?
Why is that?
Do I need to replace both?
It has 2 black ink cartridges.
Why does it have two black cartridges?
I printed something and it was obvious the black cartridge(s) are empty.
I would think one cartridge would empty first, then the other?
Why is that?
Do I need to replace both?