HP LaserJet 4050 usb-mac Mono Laser Printer, New (C7829B)-E0
High Yield Black toner Cartridge for HP Laserjet 4000 & 4050 Printers, HP 27x
HP Laserjet 4050 New Toner 72MB 1200DPI Postscript Network Laser Printer 4000 88698768266 | eBay
Laser Toner cartridge HP LJ 4050 [Hewlett Packard (HP) LaserJet 4050 / N / SE / T / TN] Brand: ORIGINAL Original number: HP C4127X / HP 27X Colour: black Capacity: 10,000 copies
Black High Yield Toner Cartridge Compatible with HP LaserJet 4050 (V2540)