Ricoh worked hard to produce their wonderful GC21 gel ink cartridge range, so our manufacturers were delighted to be able to offer us a high quality alternative to the 405532 that gives comparable quality prints. With the same 1,500 page estimated yield, this remanufactured Ricoh GC-21K contains an amazing 37ml of black ink.With many parts from the genuine 405532 reused, this unit continues the legacy of the original and reaps the benefits of Ricoh`s precision engineering. The remanufactured Ricoh GC-21K retains compatibility with the Aficio GX7000 and all of the other top-quality printers found listed on this page.