?What will somebody do if empty cartridges run out of ink? While there are several shops available where we can buy it but some stores offer cartridges in much valuable discounted price. In market there are four types of discounted ink cartridges available, the compatible cartridges, the original equipment manufacture or OEM cartridge, remanufactured cartridge and the refilled ink cartridge. The original equipment manufacturer cartridges, or OEM ink cartridges, are produced by the companies who usually make the ink and cartridges of the big printer manufacturers brand names. They are costly, but the performance is guaranteed to be top of the line and obviously is of high quality. It is a good option also to purchase OEM ink cartridges, as they are referred by the printer manufacturers because they often cancel warranties once they find out you have been using other ink cartridges. The OEM cartridges are produced by the companies who made ink and cartridges for big printer manufactures brand name. They are costly but they outperforms The compatible ink cartridge, as the name suggests, is the one most likely to be compatible with a certain printer. They may not be of the same quality, but the manufacturers of the compatible ink cartridge do attempt to reach the standard set by the makers of the original printer/ink cartridges. They are manufactured mostly by stationers, retail chain stores and companies that specialize in office and school supplies. The remanufactured ink cartridges, or refurbished ink cartridges, are recycled cartridges. The empty ink cartridges are cleaned and checked for spoiled parts. The spoiled parts are then replaced, rebuilt and filled up with a toner. It is then tested, sealed, and delivered to specialty stores. Since some parts are changed and are replaced by new ones, the performance of the remanufactured ink cartridges is just like the original. And lastly, there are refilled ink cartridges. These are relatively cheaper, but there is no guarantee about their performance. It is even risky to try using these, as they can be harmful to your printer. You should only have your Ink Cartridges refilled by a professional and, if possible, the one endorsed by your printer company. The advantage of buying discount ink cartridges online is quality. You get top quality 100% compatible or remanufactured ink/toner cartridges built to the highest standards. All compatible cartridges, remanufactured cartridges are backed by 90 day warranty and 100% satisfaction guarantee One can save even more on purchasing discount ink cartridges. There is wide selection of compatible cartridges, OEM cartridges and refill kits are available for selected printers. Other advantages of buying discount ink cartridges online are that they offer an excellent service like fast shipping and have much convenience. Free services are also available in some places. Sometimes some stores provide additional savings with coupon codes.