Having used discount toner cartridges for twenty years, there have been a lot of changes in the toner cartridge market. The market today is approximately a twenty billion dollar business. The savings today are significant. The quality of the discount cartridges is unsurpassed. To insure your complete satisfaction in purchasing discount toner, take a minute to make an informed choice. The problem was that the drill and fill cartridges produced poor quality and printed fewer pages. They were very inconsistent from cartridge to cartridge. In short, there was no quality control. One discount toner cartridge might perform great and the next may not.