A faked serial # would be to protect his sources of the cartridges that he’s redistributing as gray-market goods. Presumably his suppliers would be breaking their distribution and/or dealer agreements with Zyx. Obviously you’re not getting warranty support either way. And possibly you can’t get re-tip/exchange/rebuild services on these units, either - which is the real loss. How often does the actual warranty on a cartridge actually come into play? They more likely meet accidental end or a natural death.
I agree that 2juki is most likely providing otherwise genuine products on the gray market, rather than counterfeits. Could still be worth it if the discount is steep enough. The markup from distributor to dealer to consumer is ridiculous considering they’re often just dropping an 8 oz package in the post. These very markups, the low-volume nature at higher price points, and the ease of shipping small cartridges, is the reason these gray market loopholes keep cropping up.
I agree that 2juki is most likely providing otherwise genuine products on the gray market, rather than counterfeits. Could still be worth it if the discount is steep enough. The markup from distributor to dealer to consumer is ridiculous considering they’re often just dropping an 8 oz package in the post. These very markups, the low-volume nature at higher price points, and the ease of shipping small cartridges, is the reason these gray market loopholes keep cropping up.