Package Contents: 1 Pack DR229CL DR-229CL Drum unit Compatibility with Printer: HL-L3220CDW HL-L3280CDW HL-L3295CDW HL-L3300CDW HL-L3240CDW MFC-L3720CDW MFC-L3765CDW MFC-L3780CDW Printer High Page Yield: about 31,000 pages per DR-229CL DR 229CL Drum unit Reliable Performance: They are certified with ISO-9001 and ISO-I4001 for stable quality printouts Compatibility and Support Information: Our DR229CL compatible drum unit is designed to work safely with your printer. If the DR229CL drum unit replacement does not resolve the issue, please contact us with your printer model, and if possible, consider using the corresponding toner cartridge Installation Notes:Make sure the machine is turned on >Press and hold(Toner) for about five seconds>Press Drum>Select the toner color for the drum unit you just replaced>Press Yes ASIN B0CY1ZRMS5 Brand Alinbehbs Color DR229CL Black Ink Colour Black Model Name DR229CL-1Pack Page Yield 31000 Item Weight 0.42 Kilograms Print media Paper (plain) Manufacturer Alinbehbs Model Number DR229CL Model Series HL-L/MFC-L CDW Series Printer Type laser Warranty Type limited warranty Item Type Name Drum Unit Number of Trays 1 Compatible Devices HL-L3220CDW HL-L3280CDW HL-L3295CDW HL-L3300CDW MFC-L3720CDW MFC-L3765CDW MFC-L3780CDW HL-L3240CDW Dualsided printing Yes Printer Output Type multiple colors Warranty Description 2 Compatibility Options Compatible Cartridge Additional Printer Functions Print Only