HP said in January that it hoped and dreamed to make printing a subscription. Now, the company has done just that, with the All-In Plan that allows HP customers a limited number of printed pages per month for a monthly fee, with a two-year commitment and potential overage charges, too. “The HP All-In Plan is an all-inclusive printing subscription that delivers the ultimate in convenience—and provides the dedicated support you need to keep your printer running like new,” HP claims. But you’d better believe in the value of printing regular documents, because signing up locks you in to a two-year…