HP is one of the famous computer and its accessories manufacturing company. With the tremendous development in the photography people started working on their at their places. They started producing the photos with high quality using software and printing with the digital printers. A recent study says that all the printing companies are manufactures many number of printers and gaining huge profit. Recently the prices of the printers are reduced. Even the sophisticated printers are costing too much nowadays. It produces around seven millions of color combination. The hp 15 ink cartridge printers used at homes are very cheap. Manufactures are very intelligent because they reduce the printer’s rate and increase the cartridges rate. People will buy the printers once in many years but the ink cartridges are very expensive because people buy it often. This is the reason behind the expensive hp 15 ink cartridge. People think that the branded products are better than the duplicate ones. So they buy the expensive hp cartridges more when compared to the generic ones. The hp spends dollars of money for the publicity alone so this brand is very famous among all the people. Even hp 42x toner are also highly sold in the market. All the hp products have great sale report in the market.