Memorysolution - mo memory for HP - printer - LaserJet 2800, 2820, 2840 Series Before Memory Solutions 128 MB (40477621584 to 128 MB, 128MB mémoires'adapter - HP / Compaq - LaserJet 2800, 2820, 2840 Seriesappareil / memory information memory Standard: 96MB Maximum Memory: 224MB position plug: 1numéro original. C9121A model number of the article. MS128HP802