Produce impressive results every time from this hp 504a magenta laserjet toner cartridge the outstanding hp coloursphere technology ensures vivid colours every time an extremely high gloss to ensure that your documents look professionally printed throughout the 7 000 page batch it39s ideal for those who need high quality marketing materials and organisational brochures and are working with a compatible hp colour laserjet printer because its design tolerances are so tight it works flawl