This toner refill kit for the HP 3500 / HP 3700 toner cartridges (HP 3500 laser toner and HP 3700 laser toner cartridges Q2670A, Q2671A, Q2672A, Q2673A) cartridges. This toner refill kit will save you a bundle over buying new cartridges. These cartridges are easy to fill, and produce excellent results with our high quality toner. Your printer page output and quality will be 100% that of the original on your first refill. Why pay over $100 for these cartridges when you can refill them in under 5 minutes and save a bundle! Our toner refill kits come with toner and instructions to refill these HP 3500 / HP 3700 cartridges (cartridges for HP 3500 and HP 3700 Q2670A, Q2671A, Q2672A, Q2673A) QUICKLY and SUCCESSFULLY. Our toner refills give you 1 full refill on these cartridges!

Item contains:

• Refill instructions
• Toner (Black, Cyan, Yellow or Magenta)
• Toner nozzle to pour the toner

Required: A re-useable Toner Hole Making Tool (sold separately). Needed to make a filling hole in these cartridges in the location that is shown in the illustrated instructions that come with the toner refill kit for this HP 3500 / HP 3700 toner refill

Required: Replacement chips for HP 3500 (sold separately). These chips are required to fully "reset" the printer cartridges to "like new specifications". These cartridges have a smartchip that monitors how much toner is left in the cartridge, and gives you warnings when your toner is running low. For a complete and successful refill on these cartridges, the smartchip needs to be replaced. There is a different smartchip for each color cartridge, and they are for 1 full cartridge life cycle use