how to refill 12a toner

{"cid":"91221326","title":"Refill Toner Powder 12A Used For H P LaserJet 1010 1012 1015 1018","imgUrl":"https:\/\/img.chinax.com\/nimg\/2d\/19\/b29a600264eaac0d85fa847e2037-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"YS","Model Number":"12A","Minimum Order Quantity":"1 KG","Delivery Time":"in 1-5 working days after received payment","Certification":"ISO, STMC","Place of Origin":"China(Mainland)","Payment Terms":"T\/T, L\/C, Western Union, MoneyGram","Supply Ability":"1000,000 kg per Month","Packaging Details":"Aluminum foil bag ; 20 bags per carton; 500 cartons to load a full container","Used for":"H P LaserJet 1010\/1012\/1015\/1018\/1022\/1022N\/1022NW\/1020\/ 3015MFP\/3020MFP\/3030MFP\/3050MFP\/3052MFP\/3055MFP \/3050Z\/M1005MFP","Color":"Black","Weight \/ bag":"1000 grams","Warranty":"18 months","Feature":"Chemical powder","Bulk packing":"Yes"}}