Compatible HP Q1339A (39A) Black Toner, which lasts 10,000 pages; that is, its duration is the same as that of an original toner. The compatible toner does not affect the printer warranty and, moreover, it is not of a lower quality than the original ones. This toner does not require manipulation (it includes a chip).
High Capacity Compatible HP Q1339X (39X) Black Toner. It lasts 20,000 pages; approximately the same as that of an original toner. Neither does it require any manipulation (it includes a chip), nor affect the printer quality.