...and don't bother with the online chat with a technical specialist for the same reason:
We were unable to locate the live chat with hp support specialist page for the product "laserjet pro 400 color mfp m475dw".
We were unable to locate the live chat with hp support specialist page for the product "ce864a".
...am I just naïve to think that there's an HP rep out there who might weigh in?