User's Guide
Page 5
...Limited warranty service The warranty period starts on the date of original purchase as toners and inks), software, or interfaces not furnished by Lexmark). You are substantially consumed when the printer displays a "Life Warning" or "Scheduled Maintenance" message for which a Maintenance Kit ... response, but may be required to deliver your product to present proof of all print cartridges, programs, data, and removable storage media (unless directed otherwise by Lexmark Statement of Limited Warranty 5 Statement of prints produced by lowering power consumption during the warranty...
...Limited warranty service The warranty period starts on the date of original purchase as toners and inks), software, or interfaces not furnished by Lexmark). You are substantially consumed when the printer displays a "Life Warning" or "Scheduled Maintenance" message for which a Maintenance Kit ... response, but may be required to deliver your product to present proof of all print cartridges, programs, data, and removable storage media (unless directed otherwise by Lexmark Statement of Limited Warranty 5 Statement of prints produced by lowering power consumption during the warranty...