InkOwl Toner Refill Kit Replacement for HP CB540A, CB541A, CB542A, CB543A (125A) (4-Pack, with Reset Chips)

This laser refill kit contains all you need to refill your CB540A, CB541A, CB542A, CB543A (125A) cartridges and CP1210, CP1215, CP1217, CP1510, CP1515N, CP1518ni and LaserJet CM1312 MFP Printers. Printer models: Color LaserJet CM1312nfi, CP1210, CP1215, CP1217, CP1510, CP1515n, CP1518ni

• NOTE: To refill this cartridge model, you will also need a "Toner Cartridge Hole Making Tool" to pierce holes. The use of any other tool, including a drill, is not recommended to avoid damaging sensitive internal components. You can then use the provided easy-seal tape to seal the holes.
• Includes 4 bottles of Ink Owl premium formulation toner, 4 spouts for easy pouring, 4 reset chips, easy-seal tape along with detailed, graphic instructions.
• For the proper functioning of the refilled cartridges, we have included reset chips.
• Our instructions will guide you step-by-step through the entire refill process and include pictures showing you exactly where holes need to be pierced and will show you how to install the replacement chip.
• Includes 55g of black toner powder and 45g of each color for the full 2200-page yield of black and 1400-page yield of color (at 5% coverage) just like the original cartridges.