What would I like to accomplish? I am trying to find out the page yield for the ink cartridges noted below. Any help would be appreciated. Models I am currently looking at? HP 711 Ink Cartridge 80ml (k), 29ml (c), 29ml (m) and 29ml (y) Canon 300ml Ink tank PFI-320 in mk, k, c, m and y Canon 330ml Ink tank PFI-310 in mk, k, c, m and y Minimum Requirements: Average page coverage is 5% Any other details: This will be for A1 and A0 plotters as i am currently working on a business case for both.