AIM Compatible Replacement - HP 32MB Memory Module (D3578A) - Generic Product Sort: Printer Accessories Product Type: Memory Compatibility: Works In HP LaserJet 4P / HP LaserJet 4 + / HP LaserJet 4MP / HP LaserJet 4MP + / HP LaserJet 4V / HP LaserJet 4MV / HP LaserJet 5 / HP LaserJet 5M / HP LaserJet 5N / HP LaserJet 5P / HP LaserJet 5MP / HP LaserJet 5Si / HP LaserJet 6P / HP LaserJet 6MP / HP Color LaserJet / HP LaserJet 5 / HP LaserJet 5M / HP CopyJet M Series and Other Laser Printers Weight: 8 Parts: 30 DAYS Labor: 30 DAYS