As a standard capacity ink cartridge the CL–511 may be cheaper than other cartridges, but it still offers great value for money with more than 240 pages of printing. A colour cartridge which works with the PG510 and PG512 cartridges in black, this makes a great high quality original set. You can use this colour ink with the Pixma range of printers and will get page after page of great quality prints. And buy tthis Canon CL-511 Colour Cartridge (use with PG510/PG512) Price/Quantity: 1: £16.91 2: £16.43 3+: £15.97.