HP Laserjet 4000 High Yield Black Toner Refill Kit 4 Pack for HP C4127X Canon FX6 Toner Cartridges & HP 4000 4000N Canon 3170 Printers.

This toner refill kit will produce the same amount of pages as an OEM cartridge would.
 

This Refill Kit includes:

1. 4 high yield bottles of toner
2. Easy to follow instructions
3. Funnel caps for easy pouring
4. Gloves to keep your hands toner free
5. Magnetic toner cloth for easy toner clean up