Product Description WarmTip: 1. Please confirm our toner cartridge fits your printer model. 2. Be careful not to touch the chip or toner nozzle. Excellent compatibility, focusing on your printing needs: 1. Core Matching: 134X toner cartridge is designed for W1340X black toner cartridge needs. 2. Widely Applicable: Compatible for HP LaserJet MFP M209 M209d M209dw M234dw M234sdw M234sdn M234sdw printers. Each Package Contains: 1 carefully sealed 134X toner cartridge, ready to install and use. Exceptional Print Quality, Professional Results: 1. Crisp & Clear: Premium toner delivers rich colors, crisp text, and detailed images—every time. 2. Consistent Output: Smooth, reliable performance from first page to last—no smudges, streaks, or background gray. 3. Smooth & Safe: Optimized formula reduces paper jams and protects your printer’s internal components for longer-lasting performance. An ideal choice for home, office, school users looking for professional quality printing.