What is/are in the package? DR630 1 Pack How many pages does this print up to? Yields up to 12,600 pages @ 5% coverage on Letter/A4 or depends on usage How do you install the toner cartridge? Remove the orange cover, if applicable 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? Brother Laser PrinterDCP-L2520DW DCP-L2540DW HL-L2300D HL-L2360DW HL-L2320D HL-L2380DW HL-L2340DW MFC-L2700DW MFC-L2720DW MFC-L2740DW What is the warranty? Green Toner Supply offers 1-Year money back warranty on defective toner cartridges What is the shelf life? Suggested shelf life: Up to 36 months 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. TROUBLESHOOTING a) If the units does not fit - Please remove the unit and reinstall b) If there is an unrecognized error, please try the below reset instructions: 1. Press \u201cX\u201d to clear the error message. 2. Press the tools button (picture of a spanner). 3. Press \u201cAll Settings\u201d. 4. Press \u201cMachine Info\u201d. 5. Press \u201cParts Life\u201d. 6. Press \u201c#\u201d until the touch screen message changes. 7. Press the color of the drum that was replaced. 8. Press \u201cYes\u201d.