C9130-60003 - HP 8MB ROM Firmware DIMM Memory for LaserJet 4500/4550 Series Printers C9130-60003 - HP 8MB ROM Firmware DIMM Memory for LaserJet 4500/4550 Series Printers $66.48
C9130-67906 - HP 8MB ROM Firmware DIMM Memory for LaserJet 4500/4550 Series Printers C9130-67906 - HP 8MB ROM Firmware DIMM Memory for LaserJet 4500/4550 Series Printers $66.48
C4214-60005 - HP 8MB Firmware Memory Module for LaserJet 8100 C4214-60005 - HP 8MB Firmware Memory Module for LaserJet 8100 $48.47
Q2651-67910 - HP 8MB Flash/32MB Firmware DIMM Memory for LaserJet 2300 Printer Q2651-67910 - HP 8MB Flash/32MB Firmware DIMM Memory for LaserJet 2300 Printer $70.63