Mercer wrote:
I have two new Cartridges ordered from G&G Ink (a firm I have had very good luck using) for an Canon Pixma MG6320, sent to me from a provider by accident. Their ID: NP-C-025-1XL GY. These are the Grey color.
I cannot use them in my Mg5420. If you want them, PM me and I will drop them in the mail for you.
Mercer
I have a 6821 and sometimes, at the store when buying ink,I'll find a gray cartridge with it. Why? Who knows. Sorry I can't use them either.