What is/are in the package? 2-Pack 12A Q2612A Toner Cartridge How many pages do these print up to? Each prints up to 2,000 pages based on 5% coverage (Standard Yield) How do you install the toner cartridge? ?Remove the orange cover ?Pull out the plastic tag (where you see the orange ring) which is on the side of the cartridge, if applicable ?Insert into the printer ?Enjoy printing! What are the compatible printers? HP LaserJet 1010/1012/1015/1018/1022/1022N/1022NW/1020 HP LaserJet 3015MFP/3020MFP/3030MFP/3050MFP/3052MFP/3055MFP/3050Z/M1005MFP Canon LBP 2900 Canon LBP 3000 GTS offers money back warranty on defective toner cartridges Please store the unused/unopened toner cartridges in a dry and cool place. Avoid sun exposure Have a question or a problem? Please do not hesitate to contact us, our Customer Services Team will usually response your email or message within 1-2 business days.