Brother MFC-7840N Toner Refill Kit DIY Toner Refill Kit. Easy-To-Follow instructions residual/waste toner bag and reset/flag gear included Contains 90g of premium print graphics toner Save $51.04 (70.89%) compared to the average "Office Superstore" $71.99 TN360 cartridge price All ReChargX Toner Refill Kits are covered by our 100% No Time Limit and No "Fine Print" guarantee.