Most recent discussion on printer DRM firmware update jerkiness:
Brother accused of locking down third-party printer ink cartridges (tomshardware.com) 536 points by m463 5 days ago | 336 comments | https://news.ycombinator.com/item?id=43261933
Brother accused of locking down third-party printer ink cartridges (tomshardware.com) 536 points by m463 5 days ago | 336 comments | https://news.ycombinator.com/item?id=43261933