*Guaranteed to print without problems with genuine Brother cartridges. *The documents that you print with the black LC-3237 are characterized by high-quality prints. *This cartridge prints up to 3000 pages. *Within Brother printers you often have the option to use an XL/HC (high capacity) instead of a regular cartridge for even more and cheaper printing. *You can find this XL/HC cartridge among the alternatives. *Want to know if you have the right cartridge? Then check the 'suitable for' specifications to see if your Brother printer is listed there.