Compatible Drum Unit: Products Drum Unit is optimally designed to replace your 32A CF232A Drum Unit, affordable and reliable alternative to OEM product, provide excellent printing performance. It is an alternative to OEM product. Compatibility for HP Printer Series: M203dw M203dn M203d MFP M227fdw M227fdn M227sdn; M148dw M118dw M148fdw; Ultra M206 Ultra MFP M230fdw M230sdn Product Information: Fully inspected to work as OEM 32A CF232A Drum Unit Product Information: Each black drum unit can print up to 23000 pages for A4 papers at 5% coverage (Actual drum unit yield varies with usage, graphics printed and environmental conditions). Well individual double-layer sealed package contains 4 pack CF232A Drum Unit. Installation: 1.Power off the printer and open the front cover. 2.Take out used cartridge from the printer. 3.Remove the drum unit from the packaging. 4.Grasp both sides of the cartridge and gently shake the cartridge from side to side to evenly distribute the toner inside the cartridge. 5.install toner cartridge into the drum unit. 6.Insert the cartridge and drum unit in the printer, and push until firmly seated. Close the front cover. Power on the printer. Package Contents: 4 Pack 32A CF232A drum unit work with CF230A CF230X or CF294A CF294X toner cartridge(without toner). Page Yield: 23,000 pages per drum unit (at 5% coverage Letter A4). High and Consistent Printing Yields:With excellent production processes whether you're printing documents brochures or invoices. ( Please note: This product does not contain toner cartridges ) Compatible for HP Printer: LaserJet Pro M203dw M203dn M203d M118dw M148dw M148fdw MFP M227sdn M227fdw M227fdn M206 Laser Printers Our DRUM offer the same print quality results as OEM: compatible with Sharp text, bold blacks and crisp graphics. Easy to be installed and recognized. Professional multi-layer packaging to keep product safety. Nineleaf drum units are manufactured at ISO9001 and ISO14001 factory standards. Dependable Performance: toner cartridges provide long-lasting, clear,compatible with sharp and excellent printing results. Easy to be installed and recognized. A good partner in your office, home and school.