- High-yield black toner cartridge compatible with HP LaserJet M207dw, M209, M209d, M209dw, M234, M234d, M234dw, M234sdw, M234sdn, and M235sdw - Includes updated chip for automatic recognition and easy installation in the printer - Capable of printing up to 2,400 pages with standard 5% coverage on A4 format, according to ISO/IEC 19752 standard - Direct replacement for HP 135A W1350A and 135X W1350X cartridges - High-quality toner powder ensures sharp text, deep blacks, and precise graphics - Not compatible with HP+ printers whose models end in 'e' (example: M209dwe, M234dwe) - Perfect for offices, businesses, and users who require professional and high-volume printing