IMAGING DRUM UNIT FOR DELL 1125 SERIES PRINTERS CONTAINS INSTRUCTIONS ON REPLACING THE IMAGING DRUM UNIT Compatible with: Dell 1125 Dell 1125MFP Dell 1125N TOTAL QTY: 1 PCS Usable LIFE SPAN of up to 20,000 page impressions DELL OEM PART # COMPATIBILITY Manufacturer Part# : MY323 | Dell Part# : 310-9320