![HP C4127A 27A Toner Cartridge Black LaserJet 4000 4000n 4000se 4000t 4000tn 4050 USB-Mac 4050n 4050se 4050t 4050tn - Sun Data Supply HP C4127A 27A Toner Cartridge Black LaserJet 4000 4000n 4000se 4000t 4000tn 4050 USB-Mac 4050n 4050se 4050t 4050tn - Sun Data Supply](https://www.sundatasupply.com/uploads/products/hp_27a_black_original_laserjet_4000_4050_toner_cartridge_c4127a_lg.jpg)
HP C4127A 27A Toner Cartridge Black LaserJet 4000 4000n 4000se 4000t 4000tn 4050 USB-Mac 4050n 4050se 4050t 4050tn - Sun Data Supply
![HP LaserJet 4050 Laser Printer - Monochrome - 1200 dpi Print - Plain Paper Print - Desktop Laser Printers - Newegg.ca HP LaserJet 4050 Laser Printer - Monochrome - 1200 dpi Print - Plain Paper Print - Desktop Laser Printers - Newegg.ca](https://c1.neweggimages.com/productimage/nb640/1EE-0005-009V6-S01.jpg)
HP LaserJet 4050 Laser Printer - Monochrome - 1200 dpi Print - Plain Paper Print - Desktop Laser Printers - Newegg.ca
![HP LaserJet 4000/4050/4100/5000/5100 Printer Series - Printing a Configuration Page (Self-Test) - YouTube HP LaserJet 4000/4050/4100/5000/5100 Printer Series - Printing a Configuration Page (Self-Test) - YouTube](https://i.ytimg.com/vi/8-VcTG3iX38/maxresdefault.jpg)