128MB HP Laserjet Ram memory 1320 2300 5100 9000 Q7709A

??? C7845A ??? HP LaserJet 1200/2200/4000 - 32MB Memory C4143A/Q7707A

HP C7846A C3913A Q1887A C9680A 64MB Memory Upgrade 4 HP Laserjet 4000, 4000N,...

HP LaserJet 4MB Memory Card C3148A

C9121A 128MB RAM for HP LaserJet 1320 4100, 4300, 5100, 9000, 2300, 3390

C2065A 4MB for HP LaserJet and DesignJet 4M 4SI Memory

C7845A 32MB 100pin SDRAM Memory for HP LaserJet 4000 series

32MB HP DesignJet, LaserJet Printer 72pin Memory D3578A, D2298A, KTH32000/486