Your presumption exposes that you only read one comment: You should read all of my comments in this thread.
It’s rather academic and I cover all of that, including finding a local dealer. A business owner should never be without a local dealer to help manage purchases and expenses via toners/cartridges. Who the hell wants to become an expert on printers every 5 years instead of running their business? That’s why my clients had my trust and I had their business.
That first cited passage was a poor attempt to cite my knowledge on this topic and has no bearing whatsoever on the OP, btw.
I’m not expending any more time on this.