C4140-67901 - HP 4MB SDRAM DIMM for LaserJet 4000 C4140-67901 - HP 4MB SDRAM DIMM for LaserJet 4000 $52.37
A3513-60001 - HP 4MB SDRAM DIMM for LaserJet 4000 A3513-60001 - HP 4MB SDRAM DIMM for LaserJet 4000 $52.37