HP 934 Original Ink Cartridge Black (Pack of 1) C2P19AE. Designed to prevent clogging and corrosion, this original HP 934 cartridge works with your HP printer to deliver professional results everytime. Providing crisp black text and sharp graphics, the ink is dry in an instant for a smear-free finish, and a page yield of 400 pages ensures great value for frequent printing. . Original HP ink cartridge. Prevents clogging and corrosion. Provides crisp text and sharp graphics. Ink dries in an instant for a smear-free finish. Page yield: 400. Colour: Black. Compatible with HP Officejet Pro 6230 ePrinter/8620 e-All-In-One Printer.