Lexmark 41X2224 DADF Separator Roll is a user-replaceable part for the document feeder. It helps separate sheets as documents pass through the feeder, supporting the printer’s scanning workflow. Lexmark lists this part number as a DADF separator roll.
Lexmark recommends installation at approximately 220,000 scanned pages and lists a yield of up to 220,000 scanned pages. The manufacturer lists compatibility with the MX521ade and MX421ade printers.