What do reviews say about the Canon E510's ink cartridge costs and overall ink efficiency?

A significant point in many Canon E510 reviews is its use of 'economy' or 'E-series' ink cartridges, which are designed to be more affordable. Reviewers frequently highlight this as a major advantage, noting that the printer offers a cost-effective solution for users with moderate printing needs, significantly reducing the overall running costs compared to some competitors. The black ink in particular is noted for good yield at a low price.