Summary: I bought this printer in October 2010 on behalf of a charity's training team. At the same time, I used Amazon's "Find Compatable Ink" link to order spare cartridges. Sadly the link recommends the wrong cartridge for this printer. Number 1 recommendation is HP 12A. The correct cartridge is 36A. Amazon have agreed a refund, even after 4 months, but the angst that this has caused myself and my volunteer colleagues will not be compensated.