subject: Before buying the printer [print this page] Also, when purchasing a colour printer, check for one with individual ink tanks rather than a single tank for all colours. This means that if either magenta, yellow, cyan or black runs out, they can be replaced. It is also worth noting that black ink cartridges are cheaper than colour cartridges, so if it is possible, try to keeps colour printing at a minimum, and this will also help to save money.