A:AnswerI have scanned in 30 pages, 2 sided, and it read them all just fine, producing a nice 60 page PDF. After 3 months, I remain very pleased with this printer.
A:AnswerIt doesn't appear that the bags can be refilled. Honestly, I wouldn't want a tank where the ink can sit in there for months, and then you would just refill it without cleaning it.
A:AnswerYou have to keep an eye out on various sites, like Betabound. Register and apply to test. Here is an old one...
https://www.betabound.com/epson-all-in-one-printer-private-beta/