HP LaserJet 4V C3900A Toner Refill Kit HP Sale! from 2895 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. HP LaserJet 4V C3900A Toner Refill Kit This toner refill kit will produce the same amount of pages as an OEM cartridge would. This Refill Kit includes: 1 high yield bottle of toner Easy to follow instructions Funnel caps for easy pouring Gloves to keep your hands toner free Magnetic toner cloth for easy toner clean up