Questions about HP 415X

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Does the Internet work at all? Set the printer offline - does sending the email work then? Have you tried accessing the mail server directly - can you view the mails there?

After some research, it turns out that both models have the same features. The toners ending in C are official HP equivalents for customers who are members of the "Supplies Big Deals", "Supplies Win Back Deals" or "Managed Print Service" programmes (source: https://s3.us-east-2.amazonaws.com/suppliesnetwork/imagesxt/2019/208476/HP+Toner+C-SKU-Partner+Guide-Apr2019-4AA6-9605ENUS.pdf).

Yes, it's very easy. You can print an address label on www.hp.com/recycle. Return the toners in their original packaging. Simply bundle one, two or three together and take them to the post office. The return costs nothing

Hello only original toners should be used, from experience with some of my customers (IT), it has been shown that errors are displayed because the electronic chips are trimmed to original, but just, this is only a recommendation :-) Greetings Gaetano

Currently not for original HP cartridges

Yes, you can use both toners. The difference is in the number of pages you can print. With the 415X it is 6000 pages at 5% coverage, with the 415A it is 2100 pages at 5% coverage. I always use the 415X because it is cheaper per page (3.5 centimes to 4.7 centimes) and also makes more ecological sense.