John Rumm wrote:

https://www.ebuyer.com/757009-hp-m10...ter-g3q34a-b19
also claims to come with full carts rather than "starter" ones.

Don't think that's correct, a "full" 17A cartridge is 1600 pages, they
only claim it's supplied with a 700 page cartridge, they do admit it's
an "introductory" cartridge further down the page