"This is a high quality premium Remanufactured Black Laser Toner cartridge to replace the Lexmark 250A21E. All of our Laser Toner cartridges come with a full 2 years warranty from the date of purchase...
Advantagesfast, durable, value-for-money, toner and photoconductor are separated
Disadvantagesblack and white, not fully automatic print on both pages
AdvantagesBuilt-in network print server, fast printing, fairly low cost, support for Linux
DisadvantagesNon-trivial, but not impossible, network installation under Windows XP
Disadvantagesslow to print